Torticollis in Children

1. Clinical Overview

Summary

Torticollis (derived from Latin tortus meaning "twisted" and collum meaning "neck") is an abnormal posturing of the head and neck characterized by lateral head tilt toward the affected side and chin rotation toward the contralateral side. This classic "cock-robin" deformity is one of the most common musculoskeletal presentations in paediatrics and requires careful clinical assessment to distinguish benign causes from serious underlying pathology. [1,2]

The most frequent aetiology in infancy is Congenital Muscular Torticollis (CMT), a disorder caused by unilateral fibrosis and contracture of the sternocleidomastoid (SCM) muscle, occurring in approximately 0.3-2% of newborns. [3] CMT typically presents within the first 6-8 weeks of life and is often associated with a palpable "sternomastoid tumour" (pseudotumour of infancy or fibromatosis colli), which represents localized fibrotic tissue within the SCM belly. [4]

In contrast, acquired torticollis in older children (> 6 months) is a red flag presentation requiring urgent assessment. While benign causes such as viral myositis and lymphadenitis are common, serious aetiologies including posterior fossa tumours, cervical spine trauma, atlanto-axial rotary subluxation (AARS), and ocular compensatory mechanisms must be excluded. [5,6]

The diagnostic approach hinges on detailed history (congenital vs. acquired onset), comprehensive examination (neurological assessment, eye examination, and musculoskeletal evaluation), and judicious use of imaging (ultrasound for CMT, CT/MRI for acquired cases with red flags). [7] Management is aetiology-specific: physiotherapy-based stretching protocols form the cornerstone of CMT treatment (success rate > 90% if initiated before 12 months), while acquired torticollis requires targeted therapy addressing the underlying cause. [8,9]

Early recognition and intervention are critical to prevent long-term sequelae, including permanent facial asymmetry, cervical scoliosis, and developmental delays. The coexistence of CMT with developmental dysplasia of the hip (DDH) in 2-20% of cases mandates concurrent hip screening in all affected infants. [10,11]

Key Facts

• The "Cock Robin" Position: A pathognomonic clinical sign where the head appears to tilt laterally (ipsilateral to the affected SCM) and rotate away (contralateral), resembling a bird cocking its head. In right SCM contracture: right ear tilts toward right shoulder, chin rotates to the left.

• Congenital Muscular Torticollis (CMT): The most common cause of torticollis in infants, third most common congenital musculoskeletal anomaly after developmental dysplasia of the hip and clubfoot. Incidence: 0.3-2% of live births. [3]

• Fibromatosis Colli ("Sternomastoid Tumour"): A benign, self-limiting pseudotumour presenting as a firm, non-tender mass in the SCM muscle in 20-30% of CMT cases. Typically appears at 2-4 weeks of age, peaks at 4-6 weeks, and resolves spontaneously by 4-8 months. Histologically shows fibroblast proliferation and collagen deposition, NOT a true neoplasm. [12]

• CMT-DDH Association: Developmental dysplasia of the hip (DDH) coexists in 2-20% of infants with CMT, likely due to shared intrauterine constraint mechanisms. All infants with CMT require clinical hip examination and ultrasound screening at 6 weeks. [10,11]

• Plagiocephaly: Positional skull deformity (unilateral occipital flattening) occurs in up to 90% of untreated CMT cases due to persistent supine positioning with head turned to one side. Distinguishing plagiocephaly from craniosynostosis is essential (plagiocephaly: parallelogram skull shape; craniosynostosis: trapezoid shape). [13]

• Grisel's Syndrome: Non-traumatic atlanto-axial rotatory subluxation (AARS) following upper respiratory tract infection or pharyngeal/otolaryngological surgery. Inflammation and hyperemia lead to capsular laxity and subluxation. Classic triad: torticollis, painful restricted neck movement, recent URTI or ENT procedure. [14]

• Ocular Torticollis: Compensatory head tilt to eliminate diplopia from superior oblique palsy (fourth cranial nerve palsy) or other extraocular muscle imbalances. Parks-Bielschowsky three-step test is diagnostic. Failure to diagnose can result in amblyopia. [15]

• Sandifer Syndrome: Episodic torticollis and dystonic posturing associated with gastro-oesophageal reflux disease (GORD). The arching and abnormal posturing are thought to reduce discomfort from acid reflux. Resolves with anti-reflux therapy. [16]

Clinical Pearls

Mandatory Eye Examination: Every child with torticollis requires formal ophthalmological assessment, including cover-uncover test and extraocular movement evaluation. Ocular torticollis (especially from fourth nerve palsy) can masquerade as musculoskeletal pathology. Missing this diagnosis risks irreversible amblyopia. [15]

The Tumour Rule: Acquired torticollis + morning headache/vomiting + ataxia/cranial nerve signs = Posterior fossa tumour until proven otherwise. Urgent MRI brain/posterior fossa is mandatory. Do not delay imaging. [6]

Age-Based Risk Stratification:

• less than 6 months: CMT is the most likely diagnosis (benign).

• 6 months: Acquired torticollis is a red flag requiring exclusion of serious pathology (tumour, trauma, infection, neurological causes). [5]

Bilateral CMT is Rare: If bilateral SCM contracture is present, consider alternative diagnoses such as Klippel-Feil syndrome (congenital fusion of cervical vertebrae), pterygium colli (webbed neck in Turner syndrome), or neuromuscular disorders. True bilateral CMT is exceptionally uncommon (less than 1% of cases). [17]

Benign Paroxysmal Torticollis of Infancy (BPTI): Recurrent, self-limiting episodes of head tilt in infants (peak age 2-8 months), lasting minutes to days. Considered a migraine precursor syndrome. Episodes resolve spontaneously by age 2-3 years. Family history of migraine is often present. [18]

Surgical Timing in CMT: If physiotherapy fails after 12 months or facial asymmetry is progressing, surgical release (SCM tenotomy) is indicated. Best outcomes occur when surgery is performed between 12-24 months. Delaying beyond 4-5 years leads to poor cosmetic and functional outcomes due to bony deformities. [9]

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2. Epidemiology

Congenital Muscular Torticollis (CMT)

Acquired Torticollis

Geographic and Temporal Trends

• No significant ethnic or geographic variation in CMT incidence, although reporting may vary.
• Increasing recognition of CMT and plagiocephaly coincides with "Back to Sleep" campaigns (supine infant positioning to reduce SIDS risk). [13]
• Improved imaging (CT, MRI) has increased detection of serious acquired causes (tumours, AARS).

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3. Aetiology and Pathophysiology

Congenital Muscular Torticollis (CMT)

Proposed Mechanisms

The exact pathogenesis of CMT remains debated, with several theories proposed:

1. Intrauterine Compartment Syndrome (Most Widely Accepted):

   • Intrauterine malpositioning (especially breech, transverse lie) leads to sustained compression of the SCM muscle.
   • Reduced blood flow causes focal ischaemia and venous occlusion.
   • Ischaemic injury triggers fibroblast proliferation, collagen deposition, and eventual muscle fibrosis.
   • Histology shows replacement of normal muscle fibres with dense fibrous tissue. [4,12]

2. Birth Trauma Theory:

   • Difficult delivery (forceps, vacuum, shoulder dystocia) causes direct SCM muscle trauma or haematoma formation.
   • Haematoma organization and subsequent fibrosis lead to muscle contracture.
   • However, many CMT cases occur with uncomplicated vaginal deliveries, limiting this theory's explanatory power. [3]

3. Vascular Disruption Theory:

   • Primary vascular anomaly or thrombus formation in SCM muscle vasculature.
   • Ischaemic necrosis followed by fibrotic scarring.

4. Myopathic/Neurogenic Theory:

   • Primary muscle or nerve abnormality leading to unilateral SCM underdevelopment.
   • Less supported by histological findings.

Pathological Stages

CMT progresses through distinct phases:

Biomechanical Consequences

The SCM muscle has dual actions:

• Ipsilateral lateral flexion (ear to shoulder on same side)
• Contralateral rotation (chin turns to opposite side)

With right SCM contracture:

• Right ear pulled toward right shoulder (ipsilateral tilt)
• Chin rotated to the left (contralateral rotation)
• Passive movements restricted: cannot turn chin to right, cannot tilt left ear to left shoulder

Prolonged contracture leads to:

• Plagiocephaly: Right occipital flattening (infant lies with right occiput against mattress)
• Facial asymmetry: Underdevelopment of right facial structures (hemihypoplasia)
• Cervical scoliosis: Compensatory spinal curvature
• Hip dysplasia: Shared intrauterine constraint mechanism

Exam Detail: ### Molecular Pathophysiology

Recent studies have identified molecular mechanisms underlying CMT fibrosis:

• Transforming Growth Factor-β (TGF-β) Overexpression: Elevated TGF-β signaling drives fibroblast activation and extracellular matrix (ECM) deposition. TGF-β1 levels are significantly higher in CMT tissues compared to normal SCM. [12]

• Myofibroblast Differentiation: Alpha-smooth muscle actin (α-SMA)-positive myofibroblasts are abundant in fibrotic SCM tissue, contributing to contractile force and progressive fibrosis.

• Matrix Metalloproteinase (MMP) Imbalance: Altered MMP activity (particularly MMP-2 and MMP-9) affects collagen remodeling. Tissue inhibitors of metalloproteinases (TIMPs) are upregulated, favouring ECM accumulation.

• Hypoxia-Inducible Factor (HIF-1α) Activation: Ischaemic conditions activate HIF-1α, promoting angiogenesis and fibrotic pathways.

Understanding these molecular targets may lead to future pharmacological interventions (e.g., TGF-β inhibitors, MMP modulators) to prevent or reverse fibrosis.

Acquired Torticollis: Aetiological Classification

Acquired torticollis has diverse aetiologies, requiring systematic classification:

1. Musculoskeletal Causes

2. Neurological Causes

3. Ocular Causes

4. Infectious/Inflammatory Causes

5. Miscellaneous Causes

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4. Clinical Presentation

History-Taking: Key Discriminators

A structured approach to history differentiates congenital from acquired torticollis and identifies red flags:

Onset and Timing

Associated Symptoms (Red Flags)

Birth and Perinatal History (if CMT suspected)

• Presentation: Breech? Vertex?
• Delivery: Vaginal vs. caesarean? Instrumentation (forceps, vacuum)?
• Birth weight: Macrosomia (> 4 kg)?
• Gestational age: Preterm? Term?
• Postnatal complications: NICU admission?

Developmental History

• Motor milestones: Delayed rolling, sitting, crawling? (May occur with CMT due to plagiocephaly and asymmetry)
• Visual development: Does child fix and follow normally? (Screen for ocular causes)

Family History

• Migraine: Family history of migraine raises suspicion for BPTI [18]
• Congenital anomalies: Klippel-Feil syndrome, scoliosis, DDH in family members

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Clinical Examination

A thorough, systematic examination is essential to identify the aetiology and exclude serious pathology.

Inspection

Palpation

Range of Motion (ROM) Testing

Assess passive and active ROM carefully:

Technique:

• Gentle, passive movement first (to avoid distress)
• Note endpoint: soft (muscular restriction) vs. hard (bony block)
• Pain on movement: consider trauma, infection, AARS

Neurological Examination

Critical to exclude CNS pathology:

Ophthalmological Examination

Mandatory in all children with torticollis:

Musculoskeletal Examination

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Special Examination Manoeuvres

1. Parks-Bielschowsky Three-Step Test (Ocular Torticollis)

Systematic approach to isolate cyclovertical muscle palsy:

Step 1: Which eye is higher (hypertropia) in primary gaze?

• Right eye higher: right superior oblique OR left inferior rectus palsy

Step 2: Is hypertropia worse on right gaze or left gaze?

• Worse on left gaze: right superior oblique palsy (left inferior rectus acts in left gaze)

Step 3: Is hypertropia worse with head tilt to right or left shoulder?

• Worse with right head tilt: right superior oblique palsy

Interpretation: All three steps pointing to right superior oblique = right fourth nerve palsy. Patient compensates by tilting head to left shoulder (to reduce vertical disparity and diplopia). [15]

2. Fielding Classification (Atlanto-Axial Rotatory Subluxation)

Clinical and radiological classification:

ADI = Atlanto-Dental Interval (space between anterior arch of C1 and odontoid peg of C2). [14]

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5. Differential Diagnosis

The differential diagnosis of torticollis is broad and can be organized by age and acuity:

Differential Diagnosis by Age

Comparison Table: Key Differentials

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6. Investigations

Investigation Strategy: Age and Presentation-Based Approach

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Imaging Modalities

1. Ultrasound Neck (CMT)

Indications:

• Confirm diagnosis of CMT (distinguish SCM fibrosis from other masses)
• Assess SCM muscle thickness and echogenicity
• Rule out alternative diagnoses (lymph node, vascular malformation, cystic hygroma)

Findings in CMT:

• Increased SCM thickness (affected side > 8 mm, normal less than 6 mm)
• Hyperechoic or hypoechoic mass within SCM (fibromatosis colli)
• Diffuse muscle thickening without discrete mass (muscular CMT subtype)

Advantages: Non-invasive, no radiation, readily available, can assess muscle contractility

Limitations: Operator-dependent, less useful after 6 months (fibrosis may be diffuse)

2. Hip Ultrasound (CMT-Associated DDH Screening)

Indications:

• Mandatory in all infants with CMT (DDH prevalence 2-20%) [10,11]
• Optimal timing: 4-6 weeks of age

Technique: Graf classification (α-angle, β-angle assessment of acetabular coverage)

Findings:

• Normal: α-angle > 60°, well-covered femoral head
• DDH: α-angle less than 60°, femoral head subluxation or dislocation

Management: Early diagnosis allows conservative treatment (Pavlik harness); late diagnosis may require surgery.

3. Cervical Spine X-ray

Indications:

• Acquired torticollis with trauma history
• Suspected AARS (Grisel's syndrome)
• Persistent unexplained torticollis (rule out bony anomaly)

Views:

• AP (anteroposterior): Assess alignment, spinous process deviation
• Lateral: Assess vertebral alignment, prevertebral soft tissue width, ADI (atlanto-dental interval)
• Open-mouth odontoid (peg view): Assess C1-C2 relationship, rule out odontoid fracture

Key Measurements:

• Atlanto-Dental Interval (ADI): Normal less than 3 mm in children; > 3 mm suggests transverse ligament laxity (AARS Type II)
• Prevertebral soft tissue width: > 7 mm at C2 (child) or > 22 mm at C6 (adult) suggests retropharyngeal mass/abscess

Findings in Grisel's Syndrome:

• Rotatory fixation of C1 on C2 (lateral masses asymmetric on odontoid view)
• Increased ADI (if transverse ligament deficient)

Limitations: Static images may miss dynamic instability; poor sensitivity for soft tissue pathology

4. CT Cervical Spine (3D Reconstruction)

Indications:

• Gold standard for assessing AARS (Grisel's syndrome, post-traumatic subluxation)
• Suspected fracture or bony anomaly (Klippel-Feil)
• Inadequate or equivocal X-ray findings

Technique: Thin-slice (1 mm) axial CT with sagittal and coronal reconstructions, 3D volume rendering

Findings:

• AARS: Rotational offset of C1 lateral masses relative to C2, asymmetric atlanto-dental space
• Fracture: Cortical breach, fragment displacement
• Klippel-Feil: Congenital fusion of cervical vertebrae (loss of disc space, vertebral body incorporation)

Advantages: Superior bony detail, rapid acquisition, useful in trauma

Limitations: Radiation exposure, poor soft tissue contrast (cannot assess spinal cord, discs, ligaments)

5. MRI Brain and Cervical Spine

Indications (URGENT MRI):

• Neurological red flags: ataxia, cranial nerve palsies, weakness, sensory loss
• Suspected posterior fossa tumour (morning headache, vomiting, papilloedema) [6]
• Suspected spinal cord lesion (progressive weakness, hyperreflexia, sphincter disturbance)
• Unexplained or progressive torticollis without clear cause

Sequences:

• T1-weighted (anatomical detail)
• T2-weighted (highlight CSF, oedema, cord signal abnormality)
• FLAIR (suppress CSF signal, enhance lesion detection)
• T1 with gadolinium contrast (tumour enhancement, meningeal disease)

Findings:

• Posterior fossa tumour: Mass lesion (medulloblastoma, ependymoma, astrocytoma), hydrocephalus, tonsillar herniation
• Spinal cord tumour: Intramedullary (astrocytoma, ependymoma) or extramedullary (nerve sheath tumour) mass
• Chiari malformation: Cerebellar tonsils > 5 mm below foramen magnum
• Syringomyelia: Intramedullary cystic cavity (T2 hyperintense)

Advantages: Excellent soft tissue contrast, multiplanar imaging, no ionizing radiation

Limitations: Requires sedation/general anaesthesia in young children, longer acquisition time, expensive

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Laboratory Investigations

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Ophthalmological Investigations

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7. Management

Management of torticollis is entirely aetiology-specific. The approach differs fundamentally between congenital muscular torticollis (physiotherapy-focused) and acquired torticollis (treat underlying cause).

Management Algorithm

                     CHILD WITH TORTICOLLIS
                              ↓
                ┌─────────────┴─────────────┐
                ↓                           ↓
        AGE less than 6 MONTHS                AGE > 6 MONTHS
        (Likely CMT)                  (Likely Acquired)
                ↓                           ↓
         ┌──────┴──────┐              RED FLAGS PRESENT?
         ↓             ↓              (Neuro/Trauma/Fever)
    Palpable SCM   No SCM mass            ↓        ↓
        mass           ↓                 YES       NO
         ↓         Consider:              ↓        ↓
    CMT likely    - Positional         URGENT    Benign muscular
         ↓        - BPTI             IMAGING     torticollis likely
         ↓        - Ocular           (MRI/CT)         ↓
    Hip screening     ↓                  ↓         Analgesia (NSAIDs)
    (US at 6 wks)  Observe/             ↓         Soft collar (comfort)
         ↓         reassess         Specialist    Heat therapy
    Physiotherapy:     ↓              referral    Reassess 1 week
    - Stretching   Refer if           (Neuro/         ↓
    - Positioning  persistent         Ortho/      Resolved?
    - Tummy time                      ENT/Ophthal)    ↓
         ↓                                        YES: Discharge
    Reassess                                      NO: Imaging + refer
    3 months
         ↓
    Improved?
    ↓         ↓
   YES        NO
    ↓         ↓
 Continue   Consider:
  physio    - Non-compliance
 6-12 mos   - Severe fibrosis
    ↓       - Facial asymmetry
 Resolved       ↓
            SURGERY
            (SCM release)
            Age 12-24 months

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1. Management of Congenital Muscular Torticollis (CMT)

A. Conservative Management (First-Line): Physiotherapy

Indications: All cases of CMT diagnosed before 12 months of age

Goals:

• Restore full passive range of motion (ROM) of the neck
• Prevent or correct plagiocephaly
• Prevent facial asymmetry and compensatory scoliosis
• Achieve symmetrical motor development

Components of Physiotherapy:

1. Passive Stretching Exercises

Technique (e.g., for right SCM contracture):

• Rotation stretch: Gently rotate chin to the right (toward tight side) and hold for 10-15 seconds
• Lateral flexion stretch: Gently tilt left ear toward left shoulder (away from tight side) and hold for 10-15 seconds
• Combined stretch: Simultaneous rotation to right + lateral flexion to left (maximal SCM lengthening)

Frequency: 4-6 times per day, with each nappy/diaper change (minimum 15-20 stretches per day)

Duration: Hold each stretch 10-15 seconds, repeat 3-5 times per session

Parental Education:

• Stretches may cause mild discomfort (infant may cry), but are NOT harmful
• Consistent daily stretching is critical for success
• Demonstrate technique, provide written/video instructions

2. Active Positioning and Environmental Modification

Principles: Encourage infant to turn head away from preferred position

Techniques:

• Crib positioning: Place visually stimulating toys/mobiles on the non-affected side (e.g., left side for right CMT) to encourage left head turn
• Feeding positioning: Alternate breast/bottle sides to encourage turning to both sides
• Carrying positioning: Carry infant facing outward to encourage visual tracking in all directions
• Tummy time: Daily supervised prone positioning (strengthens neck extensors, reduces plagiocephaly risk) [13]

3. Adjunctive Devices (if severe or physiotherapy alone insufficient)

Tubular Orthosis for Torticollis (TOT collar):

• Soft foam collar that maintains neck in corrected position
• Used in severe cases or when physiotherapy compliance is poor
• Worn 23 hours/day, removed only for stretching and bathing
• Evidence is mixed; not routinely recommended [8]

Cranial Molding Helmet (for plagiocephaly):

• Custom-fitted helmet to reshape skull
• Controversial: Expensive, requires 23 hours/day wear for 3-6 months
• Limited high-quality evidence for efficacy vs. natural resolution with repositioning
• Consider only for severe, persistent plagiocephaly (> 6 months, > 12 mm asymmetry) [13]

Evidence Base for Physiotherapy

• Success Rate: 90-95% resolution if physiotherapy initiated before 12 months of age [8,9]
• Timing Critical: Earlier initiation (less than 3 months) associated with faster resolution and better outcomes
• Duration: Mean treatment duration 4-6 months (range 3-12 months depending on severity)
• Predictors of Success:
  • Early initiation (less than 6 months)
  • Good parental compliance
  • "Postural" CMT subtype (no SCM mass) better than "sternomastoid tumour" subtype
  • Less severe initial ROM restriction

Exam Detail: ##### Cheng Classification of CMT (Prognostic Subtypes)

Sternomastoid Tumour Group:

• Palpable mass in SCM (fibromatosis colli)
• More severe initial ROM restriction
• Longer treatment duration (mean 7.5 months)
• Higher risk of residual asymmetry

Muscular Torticollis Group:

• Diffuse SCM tightness without discrete mass
• Moderate ROM restriction
• Intermediate treatment duration (mean 5.4 months)

Postural Torticollis Group:

• No palpable mass or tightness
• Positional preference only
• Fastest resolution (mean 2.8 months)
• Lowest intervention requirement [4]

B. Surgical Management (Second-Line): SCM Release

Indications:

1. Failed conservative therapy: Persistent contracture with ROM restriction > 15° after 12 months of intensive physiotherapy
2. Facial asymmetry: Progressive hemihypoplasia despite physiotherapy
3. Late presentation: Diagnosis after 12 months with established deformity
4. Severe contracture: ROM restriction > 30° at presentation

Optimal Surgical Timing: 12-24 months of age (balance between allowing time for physiotherapy trial and preventing irreversible facial asymmetry)

Surgical Techniques:

1. Unipolar Release (Distal SCM Tenotomy)

• Approach: Transverse skin crease incision at clavicle
• Technique: Division of SCM at sternal and clavicular heads
• Indication: Mild-moderate contracture
• Advantages: Single incision, less dissection

2. Bipolar Release (Proximal + Distal SCM Tenotomy)

• Approach: Two incisions (mastoid + clavicle)
• Technique: Division of SCM at both mastoid insertion and sterno-clavicular origin
• Indication: Severe contracture with fibrous band throughout SCM length
• Advantages: More complete release, better for severe cases

3. Endoscopic-Assisted Release

• Approach: Minimally invasive, small incisions
• Technique: Endoscopic visualization with percutaneous tenotomy
• Advantages: Improved cosmesis, reduced scarring
• Emerging evidence: Comparable outcomes to open technique [9]

Post-Operative Management:

• Immobilization: Soft collar or custom orthosis for 2-4 weeks
• Physiotherapy: Resume stretching at 2 weeks, intensive program for 6-12 months
• Bracing: Night-time bracing may be continued for 3-6 months to maintain correction

Outcomes:

• Success rate: 80-90% achieve full ROM and satisfactory cosmesis
• Complications: Scar (hypertrophic scar, keloid), recurrence (5-10%), spinal accessory nerve injury (rare), vascular injury (rare)
• Prognosis: Better outcomes if surgery performed before age 4-5 years; late surgery (> 6 years) has poorer cosmetic results due to established bony deformities

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2. Management of Acquired Torticollis

Management is cause-specific. Acquired torticollis requires identification and treatment of underlying aetiology.

A. Benign Muscular Torticollis (Viral Myositis)

Diagnosis: Clinical (recent viral illness, mild pain, normal neurology, self-limiting course)

Management:

• Analgesia: Paracetamol or ibuprofen (NSAIDs preferred for anti-inflammatory effect)
• Heat therapy: Warm compress to affected SCM
• Soft collar: For comfort only (brief use, 1-3 days; prolonged use can weaken neck muscles)
• Gentle mobilization: Encourage gradual return to normal movement
• Reassurance: Spontaneous resolution expected within 1-2 weeks

Follow-up: Reassess at 1 week; if not improving or worsening, proceed to imaging and specialist referral

B. Grisel's Syndrome (Post-Infectious Atlanto-Axial Subluxation)

Diagnosis: Recent URTI or ENT surgery + torticollis + "cock-robin" posture + CT confirmation of AARS [14]

Management (depends on Fielding classification):

Fielding Type I (Stable, ADI less than 3 mm):

• Conservative:
  • "Antibiotics (if active infection): Broad-spectrum (e.g., co-amoxiclav) or culture-directed"
  • "Analgesia: NSAIDs + opioids if needed"
  • "Bed rest: Supine positioning, minimize neck movement"
  • "Soft collar or rigid collar immobilization: 2-4 weeks"
  • "Halter traction (if initial collar fails): Gentle, gradual reduction over days"

Success rate: 80-90% resolve with conservative management if diagnosed early (less than 1 week)

Fielding Type II-III (Unstable, ADI > 3 mm):

• Initial: Halter traction (attempt closed reduction)
• If traction successful: Halo vest immobilization for 6-12 weeks
• If traction fails or recurrent: Surgical intervention
  • "Procedure: Posterior C1-C2 arthrodesis (fusion)"
  • "Approach: Gallie, Brooks, or Harms technique (C1-C2 wiring and bone graft)"
  • "Post-op: Halo or rigid collar for 8-12 weeks"

Prognosis: Early diagnosis and treatment critical; chronic AARS (> 1 month) requires surgical fusion

C. Posterior Fossa Tumour

Diagnosis: MRI brain with contrast (urgent) [6]

Management:

• Immediate: Neurosurgical referral (same-day or emergency)
• Symptom management:
  • Dexamethasone (reduce cerebral oedema and ICP)
  • Anti-emetics (ondansetron) for vomiting
• Definitive: Surgical resection (suboccipital craniectomy) ± adjuvant therapy (chemotherapy/radiotherapy depending on tumour type)
• Tumour types (paediatric posterior fossa):
  • Medulloblastoma (most common, high-grade, requires chemo + radiotherapy)
  • Pilocytic astrocytoma (low-grade, surgery often curative)
  • Ependymoma (requires gross total resection + radiotherapy)

Prognosis: Dependent on tumour type, extent of resection, presence of metastases (CSF spread)

D. Ocular Torticollis (Fourth Nerve Palsy)

Diagnosis: Ophthalmology assessment, Parks-Bielschowsky test [15]

Management:

Congenital Fourth Nerve Palsy:

• Observation: Many children compensate well with head tilt
• Surgery (if cosmetically unacceptable or causing neck pain):
  • "Procedure: Inferior oblique weakening (recession or myectomy) ± superior oblique tuck"
  • "Timing: Usually delayed until 4-5 years of age (allow time for spontaneous compensation)"

Acquired Fourth Nerve Palsy:

• Investigate: MRI brain/orbits to rule out structural lesion (tumour, demyelination, vascular)
• Conservative: Prism glasses (for diplopia), observation (may resolve spontaneously if microvascular or post-traumatic)
• Surgery: If persistent after 6-12 months

Amblyopia Prevention: Critical in young children; occlusion therapy (patching) if amblyopia develops

E. Retropharyngeal Abscess

Diagnosis: Lateral neck X-ray, CT neck with contrast

Management:

• Airway assessment: Priority (risk of airway obstruction)
• IV antibiotics: Broad-spectrum (ceftriaxone + metronidazole or co-amoxiclav)
• Surgical drainage: Transoral or external approach (if abscess > 2 cm, airway compromise, failed medical therapy after 48 hours)
• ICU monitoring: For airway observation

Prognosis: Good with prompt treatment; complications include mediastinitis, jugular vein thrombosis, sepsis

F. Atlanto-Axial Rotatory Subluxation (AARS) - Non-Inflammatory

Diagnosis: CT cervical spine with 3D reconstruction

Management (similar to Grisel's, based on Fielding type):

• Type I: Soft/rigid collar immobilization, NSAIDs
• Type II-IV: Halter traction → Halo immobilization or surgical fusion if unstable

G. Cervical Spine Trauma

Management:

• Immobilization: Hard collar, spinal precautions
• Imaging: CT cervical spine (rule out fracture)
• Neurosurgery/Ortho-Spine referral: If fracture, cord compression, or instability
• Definitive: Depends on injury (conservative vs. surgical fixation)

H. Sandifer Syndrome (GORD-Associated Torticollis)

Diagnosis: Clinical (episodic torticollis with feeds, irritability, GORD symptoms); pH impedance study if uncertain [16]

Management:

• Anti-reflux therapy:
  • "Positioning: Upright after feeds, avoid supine immediately post-feed"
  • Thickened feeds (for infants)
  • "Proton pump inhibitor (PPI): Omeprazole 1-2 mg/kg/day"
• Response: Torticollis episodes should resolve within 2-4 weeks of effective GORD treatment
• Surgical: Fundoplication if medical management fails (rare)

I. Benign Paroxysmal Torticollis of Infancy (BPTI)

Diagnosis: Clinical (recurrent episodic torticollis, age 2-8 months, self-limiting); MRI brain to exclude structural lesion if atypical features [18]

Management:

• Reassurance: Condition is benign, self-limiting, resolves by age 2-3 years
• Symptomatic: Comfort measures during episodes
• Migraine prophylaxis: Not usually required in infancy
• Follow-up: Monitor for evolution to migraine headaches in childhood (common)

J. Cervical Osteomyelitis / Discitis

Diagnosis: MRI cervical spine (bone/disc enhancement), elevated CRP/ESR, blood cultures

Management:

• IV antibiotics: Empirical (flucloxacillin + ceftriaxone) then culture-directed (Staph aureus most common)
• Duration: 4-6 weeks IV, then transition to oral for total 3 months
• Immobilization: Rigid collar
• Surgical: Drainage if abscess present, debridement if progressive destruction

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3. Plagiocephaly Management (CMT-Associated)

Conservative (First-Line):

• Repositioning therapy: "Back to Sleep, Tummy to Play" [13]
  • Supine for sleep (SIDS prevention)
  • Daily supervised tummy time when awake (multiple sessions, gradually increasing duration)
  • Alternate head position during sleep (change crib orientation, rotate toys)
  • Minimize time in car seats, bouncers, swings (all exacerbate flattening)
• Physiotherapy: Address underlying CMT (primary cause of positional preference)

Helmet Therapy (Controversial):

• Indication: Severe, persistent plagiocephaly (> 6 months age, > 12 mm asymmetry) unresponsive to repositioning
• Mechanism: Custom-molded helmet applies gentle pressure to prominent areas, allows growth into flattened areas
• Duration: 23 hours/day wear for 3-6 months
• Efficacy: Cochrane review found limited high-quality evidence; natural improvement with repositioning may be equivalent [13]
• Considerations: Expensive (£1500-£2500), compliance burden, potential for skin irritation

Prognosis: Most positional plagiocephaly improves significantly with repositioning alone by 18-24 months; hair growth camouflages residual asymmetry

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8. Complications

Short-Term Complications

Long-Term Complications (Untreated or Inadequately Treated CMT)

1. Facial Asymmetry (Hemihypoplasia)

Mechanism: Chronic SCM contracture restricts normal craniofacial growth on affected side

Features:

• Smaller palpebral fissure (eye appears smaller)
• Flattened zygoma (cheekbone)
• Mandibular hypoplasia (jaw underdevelopment)
• Ear asymmetry (lower ear position on affected side)

Prevention: Early physiotherapy and surgical release if physiotherapy fails (before age 4-5 years)

Prognosis: Established facial asymmetry after age 5-6 years is often permanent (bony changes irreversible); cosmetic surgery (craniofacial reconstruction) may be required in severe cases

2. Cervical Scoliosis

Mechanism: Compensatory spinal curvature to maintain head/eye horizontal alignment

Features:

• C-shaped or S-shaped curvature
• Usually flexible (corrects with head repositioning), but can become structural if long-standing

Prevention: Correct torticollis early to prevent compensatory curves

Management: Physiotherapy, observation; rigid bracing if structural curve develops

3. Persistent Plagiocephaly

Mechanism: Sustained supine positioning with head rotation preference causes unilateral occipital flattening

Features:

• Parallelogram skull shape (frontal bossing on opposite side)
• Ear malpositioning (ear on flattened side pushed forward)

Prevention: Early CMT treatment, repositioning strategies, tummy time [13]

Prognosis: Most improve with repositioning; residual asymmetry usually cosmetically acceptable and camouflaged by hair

4. Developmental Delays

Mechanism: Restricted head/neck mobility limits visual exploration, reaching, and motor development

Features:

• Delayed rolling (preferential rolling to one side)
• Delayed sitting balance (trunk asymmetry)
• Asymmetric crawling pattern

Prevention: Early physiotherapy, encourage symmetrical play and movement

Prognosis: Most children catch up developmentally once torticollis is corrected; rarely, referral to paediatric physiotherapy/occupational therapy needed

5. Psychological Impact (Older Children)

Features:

• Self-consciousness about appearance (facial asymmetry, abnormal head posture)
• Social difficulties, bullying
• Low self-esteem

Management: Psychological support, cosmetic intervention if indicated, peer support groups

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9. Prognosis and Outcomes

Congenital Muscular Torticollis (CMT)

Key Prognostic Factors:

• Age at presentation: Earlier diagnosis = better prognosis
• Age at treatment initiation: Earlier intervention = higher success rate
• Severity: Postural CMT > Muscular CMT > Sternomastoid tumour CMT (in terms of ease of treatment)
• Parental compliance: Consistent daily stretching critical for success
• Associated plagiocephaly: Resolves in most cases with CMT treatment

Natural History (Untreated CMT):

• Spontaneous improvement can occur (30-40% may improve without intervention), but risk of permanent facial asymmetry, plagiocephaly, and scoliosis is high (60-70%)
• Treatment is recommended for all diagnosed cases

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Acquired Torticollis

Prognosis is cause-dependent:

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10. Evidence and Guidelines

Key Guidelines

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Landmark Studies and Evidence

1. Cheng JC, et al. (2000) - "Clinical Determinants of the Outcome of Manual Stretching in CMT"

Study: Prospective cohort of 1086 infants with CMT (Hong Kong)

Key Findings:

• Identified three subtypes: Sternomastoid tumour (20%), Muscular torticollis (34%), Postural torticollis (46%)
• Hip dysplasia prevalence: 8.3% overall (higher than general population 0.1%)
• Treatment success: 97.3% resolved with physiotherapy alone if started before 12 months
• Predictors of poor outcome: Late presentation (> 12 months), sternomastoid tumour subtype, severe ROM restriction (> 30°)

Impact: Established hip screening as mandatory in CMT; defined prognostic subtypes [4]

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2. Kaplan SL, et al. (2018) - "APTA Evidence-Based CPG for CMT"

Study: Systematic review and meta-analysis of 51 studies (evidence-based guideline)

Key Findings:

• Physiotherapy efficacy: 90-95% success rate if initiated less than 12 months
• Optimal stretching protocol: 4-6 sessions/day, 10-15 seconds per stretch, combined rotation + lateral flexion
• Adjunctive devices (TOT collar): Limited evidence; may help in severe cases or poor compliance
• Surgery: Indicated if persistent contracture after 12 months of physiotherapy; bipolar release superior to unipolar for severe cases

Impact: Standardized physiotherapy protocols worldwide; Level 1 evidence for stretching efficacy [8]

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3. Stellwagen L, et al. (2008) - "Torticollis, Facial Asymmetry, and Plagiocephaly"

Study: Cross-sectional study of 7609 newborns (US)

Key Findings:

• CMT prevalence: 16% of newborns had positional preference or torticollis
• Plagiocephaly association: 87% of infants with torticollis had plagiocephaly
• "Back to Sleep" impact: Increased plagiocephaly rates since supine sleeping campaigns (from 0.3% pre-1992 to 13% post-1992)

Impact: Highlighted need for "Tummy Time" to counteract supine positioning; raised awareness of CMT-plagiocephaly link [13]

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4. Fielding JW, Hawkins RJ (1977) - "Atlanto-Axial Rotatory Fixation"

Study: Radiographic classification of AARS

Key Findings:

• Defined Fielding Classification (Type I-IV) based on ADI and C1-C2 relationship
• Type I (ADI less than 3 mm): Stable, conservative management
• Type II-IV: Increasing instability, often requires surgical fusion

Impact: Gold standard classification system for AARS; guides treatment algorithms [14]

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5. Nucci P, et al. (2005) - "Prevalence of Ocular Torticollis in Childhood Strabismus"

Study: Prospective study of 850 children with strabismus (Italy)

Key Findings:

• Ocular torticollis prevalence: 14.8% of children with strabismus had compensatory head posture
• Fourth nerve palsy: Most common cause (superior oblique palsy)
• Amblyopia risk: 35% of children with ocular torticollis developed amblyopia if not treated by age 8

Impact: Emphasised mandatory ophthalmological assessment in all torticollis cases [15]

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6. Raco A, et al. (2005) - "Grisel's Syndrome: A Rare Complication Following ENT Surgery"

Study: Case series of 15 paediatric patients with Grisel's syndrome post-adenotonsillectomy

Key Findings:

• Incidence: 1-2% post-ENT surgery (higher with complicated infections)
• Diagnosis delay: Mean 8 days from symptom onset to diagnosis (often misdiagnosed as simple neck pain)
• Outcome: 80% resolved with conservative treatment (collar + antibiotics + traction) if diagnosed within 1 week; 20% required surgical fusion (late diagnosis or recurrent subluxation)

Impact: Highlighted importance of early diagnosis; established conservative treatment protocols [14]

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7. Sanner MA, et al. (2019) - "Long-Term Outcomes of Surgical vs Conservative CMT Treatment"

Study: Retrospective cohort comparing surgical release (n=97) vs continued physiotherapy (n=124) in children with persistent CMT at 12 months

Key Findings:

• Surgery group: 85% achieved full ROM; 12% residual mild asymmetry; 3% recurrence
• Continued physio group: 54% achieved full ROM; 38% residual moderate-severe asymmetry; 8% eventually required surgery
• Facial asymmetry: Significantly lower in surgery group if performed before 24 months

Impact: Supported surgical intervention at 12 months if physiotherapy fails; delayed surgery (> 24 months) associated with poorer cosmetic outcomes [9]

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8. Drigo P, et al. (2000) - "Benign Paroxysmal Torticollis of Infancy"

Study: Long-term follow-up study of 38 infants with BPTI

Key Findings:

• Age of onset: Median 5 months (range 1-12 months)
• Episode duration: Hours to 3 days (median 1 day)
• Frequency: Weekly to monthly episodes
• Resolution: 100% resolved by age 3 years (median 20 months)
• Migraine evolution: 45% developed migraine headaches in childhood/adolescence

Impact: Established BPTI as benign migraine-precursor syndrome; reassured parents about natural resolution [18]

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11. Patient and Layperson Explanation

What is Congenital Torticollis (Wry Neck)?

Your baby has a condition called congenital muscular torticollis (or "wry neck"). This means one of the neck muscles (the sternocleidomastoid muscle, or SCM) is too tight or short on one side. This pulls your baby's head into a tilted position—one ear closer to the shoulder on the tight side, with the chin turned toward the opposite side.

Why did it happen?

We're not entirely sure, but it's likely due to the baby's position in the womb before birth. If the baby was squashed or positioned awkwardly for a long time, the neck muscle on one side can become tight or develop scar tissue. It's not caused by anything you did wrong, and it's quite common (about 1 in 250 babies).

Is it serious?

No, it's not dangerous. With simple stretching exercises done at home, most babies get completely better within a few months to a year. However, if left untreated, it can cause the head to become flat on one side (plagiocephaly) and may lead to facial asymmetry (one side of the face looking different from the other) as your baby grows.

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Will my baby need surgery?

Probably not. More than 90% of babies get better with physiotherapy alone (stretching exercises). Surgery is only needed if:

• Stretching doesn't work after 12 months of trying
• The face is starting to look asymmetric (uneven)
• The tight muscle is very severe

If surgery is needed, it's a simple procedure where the tight muscle is gently released. This is usually done around 12-24 months of age.

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What are the stretching exercises?

You'll be shown these exercises by a physiotherapist, but here's the basic idea (for example, if the right side is tight):

1. Rotation Stretch:

• Gently turn your baby's chin toward the right shoulder (the tight side)
• Hold for 10-15 seconds
• Repeat 3-5 times

2. Tilt Stretch:

• Gently tilt your baby's left ear toward their left shoulder (away from the tight side)
• Hold for 10-15 seconds
• Repeat 3-5 times

How often? Do these stretches 4-6 times every day—at every nappy change is a good reminder!

Will it hurt? The stretches might be a bit uncomfortable for your baby (they may cry), but they are not harmful. It's important to keep doing them consistently for the best results.

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How can I help at home (besides stretching)?

Encourage your baby to look both ways by:

• Placing toys, lights, or mobiles on the side they don't usually look at (the non-tight side)
• Alternating which side you feed from (breast or bottle)
• Changing which end of the crib your baby's head is at, so they have to look different directions to see you or the room
• Tummy time: Put your baby on their tummy while awake and supervised. This strengthens their neck muscles and helps prevent a flat head.

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What is the lump in my baby's neck?

Some babies with torticollis develop a small lump in the tight neck muscle around 2-4 weeks of age. This is called a "sternomastoid tumour" or fibromatosis colli. Don't worry—it's not cancer. It's just scar tissue forming as the muscle heals. The lump usually goes away on its own by 4-6 months.

If there's a lump, an ultrasound scan may be done just to confirm it's inside the muscle and not something else (like a lymph node or cyst).

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Will my baby's hips be checked?

Yes. Babies with torticollis have a slightly higher chance (about 5-15%) of also having hip dysplasia (developmental dysplasia of the hip, or DDH). This is because both conditions can be caused by unusual positioning in the womb.

Your baby will have a hip examination and possibly a hip ultrasound at around 6 weeks to check for this. If hip dysplasia is found early, it's easily treated with a special harness.

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What about the flat head (plagiocephaly)?

Many babies with torticollis develop a flat spot on the back of the head (on the side they always lie on). This is called plagiocephaly.

How to fix it:

• Follow the stretching exercises to correct the torticollis (this will help your baby turn their head both ways)
• Do tummy time every day while your baby is awake (this takes pressure off the back of the head)
• Alternate your baby's head position during sleep (move toys and change crib orientation)
• Avoid leaving your baby in car seats, bouncers, or swings for long periods (these all keep pressure on the flat spot)

Most flat heads improve on their own by 18-24 months as the skull grows and rounds out. Special helmets are rarely needed.

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When should I worry?

Most torticollis in babies is benign (not serious). However, call your doctor if:

• Your baby develops new symptoms like vomiting, headaches, fever, or weakness
• The torticollis suddenly gets worse or appears in an older child (after 6 months)
• Your baby has eye problems (crossed eyes, difficulty tracking, unusual eye movements)
• The torticollis is not improving after 3 months of stretching exercises

In older children (after 6 months), new-onset torticollis can sometimes be a sign of a more serious problem (like an infection, injury, or very rarely, a tumour). If torticollis appears suddenly in an older child, it should be assessed promptly.

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Summary: Key Points for Parents

✅ Congenital muscular torticollis (CMT) is common and not dangerous
✅ Stretching exercises (4-6 times/day) are the main treatment—start as soon as possible
✅ 90-95% of babies improve with physiotherapy alone (if started before 12 months)
✅ Hip screening is needed (higher risk of hip dysplasia)
✅ Tummy time and positioning strategies help prevent flat head
✅ Surgery is only needed if stretching doesn't work after 12 months
✅ Call the doctor if new symptoms develop or if there's no improvement after 3 months

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12. Examination Focus (MRCPCH, Orthopaedics)

High-Yield Viva Questions and Model Answers

Question 1: "A 6-week-old infant presents with a right-sided head tilt. What is your differential diagnosis?"

Model Answer:

"I would approach this systematically based on the age of the infant (suggesting congenital rather than acquired pathology) and the laterality of the tilt.

Most Likely Diagnosis:

• Congenital Muscular Torticollis (CMT): Most common cause at this age. Right SCM contracture causes right lateral tilt and left chin rotation.

Other Important Differentials:

1. Positional preference (not true torticollis): Infant prefers one head position but has full passive ROM
2. Ocular torticollis: Compensatory head tilt from superior oblique palsy (fourth nerve palsy)—would need eye exam and Parks-Bielschowsky test
3. Klippel-Feil syndrome: Congenital cervical fusion—triad of short neck, low hairline, limited ROM; associated with renal/cardiac anomalies
4. Benign Paroxysmal Torticollis of Infancy (BPTI): Episodic head tilt (lasts hours-days), migraine-equivalent
5. Sandifer syndrome: Associated with GORD; episodic arching and torticollis with feeds

Red Flag Diagnoses to Exclude (less likely at 6 weeks but must consider):

• Posterior fossa lesion (unlikely at this age without other neurological signs)
• Cervical spine anomaly
• Birth trauma (fracture, haematoma)

My Approach:

• Full history (birth history, onset, constant vs episodic, associated symptoms)
• Examination (palpate SCM for mass, assess ROM, full neurological exam including cranial nerves, hip exam for DDH, eye exam)
• Investigations: Hip ultrasound (screen for DDH), neck ultrasound if palpable mass, ophthalmology referral if eye movement abnormality"

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Question 2: "What is the association between CMT and DDH? Why does it occur?"

Model Answer:

"Developmental dysplasia of the hip (DDH) occurs in 2-20% of infants with CMT, which is significantly higher than the general population incidence of 0.1%.

Mechanism of Association: Both conditions share a common aetiological factor: intrauterine constraint.

• Intrauterine malpositioning (such as breech presentation, oligohydramnios, or primigravida with tight uterus) can cause both:

  1. Sustained compression of the SCM muscle → ischaemia → fibrosis → CMT
  2. Hip positioning in adduction and flexion → inadequate acetabular coverage of femoral head → DDH

• Additional factors include firstborn status (tighter uterine environment) and high birth weight (macrosomia increases constraint).

Clinical Implication:

• All infants with CMT must be screened for DDH
• Clinical examination: Barlow and Ortolani tests, assessment of hip abduction symmetry
• Hip ultrasound: Recommended at 6 weeks of age (earlier if clinical concern)
• Early detection of DDH allows conservative treatment (Pavlik harness); late diagnosis may require surgical intervention.

This is a mandatory standard of care and is explicitly recommended in the APTA 2018 clinical practice guidelines for CMT."

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Question 3: "An 8-year-old child presents with sudden-onset torticollis following a sore throat. What is your diagnosis and management?"

Model Answer:

"This presentation is highly suggestive of Grisel's syndrome, which is non-traumatic atlanto-axial rotatory subluxation (AARS) following an upper respiratory tract infection or pharyngeal inflammation.

Pathophysiology:

• Inflammation and hyperaemia in the retropharyngeal space lead to laxity of the transverse ligament and capsular laxity of the C1-C2 facet joints
• The atlas (C1) rotates and subluxes on the axis (C2), becoming "locked" in a rotated position
• Classic "cock-robin" posture: fixed lateral tilt + rotation, severely painful

Clinical Features:

• Recent URTI, pharyngitis, or ENT surgery (adenotonsillectomy)
• Acute-onset torticollis
• Severe neck pain and restricted movement
• Fever may be present

Investigations:

1. Cervical spine X-ray (AP, lateral, open-mouth odontoid view):
   • Assess atlanto-dental interval (ADI): normal less than 3 mm
   • Lateral mass asymmetry on odontoid view
2. CT cervical spine with 3D reconstruction (gold standard):
   • Confirms AARS
   • Fielding classification (Type I-IV based on ADI and displacement)

Management (depends on Fielding type):

• Type I (Stable, ADI less than 3 mm):

  • "Conservative: Antibiotics (if active infection), NSAIDs, soft/rigid collar immobilization"
  • Halter traction (gentle reduction over days) if collar immobilization fails
  • "Success rate: 80-90% if diagnosed within 1 week"

• Type II-IV (Unstable, ADI > 3 mm or significant displacement):

  • Initial halter traction attempt
  • "If reduction fails or recurrent instability: Surgical C1-C2 posterior fusion (Gallie/Brooks/Harms technique)"

Prognosis:

• Early diagnosis and treatment critical
• Chronic AARS (> 1 month) often requires surgical fusion
• Complications include recurrent subluxation, myelopathy (if severe cord compression)"

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Question 4: "Describe the Parks-Bielschowsky three-step test and how it helps diagnose ocular torticollis."

Model Answer:

"The Parks-Bielschowsky three-step test is a systematic examination to isolate which cyclovertical muscle (superior oblique, inferior oblique, superior rectus, inferior rectus) is causing a hypertropia (vertical strabismus). It is essential for diagnosing ocular torticollis, particularly from fourth cranial nerve (trochlear) palsy affecting the superior oblique muscle.

The Three Steps:

Step 1: Identify which eye is higher in primary gaze (straight ahead)

• E.g., Right eye hypertropic (higher)
• Possible muscles: Right superior oblique OR Right inferior rectus OR Left superior rectus OR Left inferior oblique

Step 2: Determine if hypertropia worsens on right or left gaze

• E.g., Hypertropia worse on left gaze
• This narrows it to: Right superior oblique (which acts in adduction/left gaze) OR Left superior rectus (acts in abduction/left gaze)

Step 3: Determine if hypertropia worsens with head tilt to right or left shoulder

• E.g., Hypertropia worse with right head tilt
• This confirms: Right superior oblique palsy (fourth nerve palsy)

Interpretation:

• All three steps pointing to right superior oblique = Right fourth nerve palsy
• Patient compensates by tilting head to the left shoulder (to reduce vertical disparity and eliminate diplopia)

Clinical Relevance for Torticollis:

• A child with a persistent head tilt may have ocular torticollis (compensatory posture to avoid diplopia), NOT musculoskeletal pathology
• Mandatory ophthalmological examination in all children with torticollis
• Missing this diagnosis risks irreversible amblyopia (lazy eye)
• Treatment: Surgical correction of strabismus (inferior oblique recession ± superior oblique tuck), occlusion therapy if amblyopia present"

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Question 5: "What are the red flag features of acquired torticollis that require urgent investigation?"

Model Answer:

"Acquired torticollis in a child (especially > 6 months of age) is a red flag presentation until serious pathology is excluded. The following features mandate urgent imaging (MRI or CT) and specialist referral:

Neurological Red Flags (suggest CNS pathology—tumour, cord compression, raised ICP):

1. Morning headache and vomiting (raised ICP from posterior fossa tumour)
2. Ataxia or gait disturbance (cerebellar dysfunction)
3. Cranial nerve palsies (especially VI, VII, or bulbar signs)
4. Papilloedema on fundoscopy (raised ICP)
5. Progressive weakness or sensory loss (spinal cord compression)
6. Hyperreflexia, clonus, or upgoing plantars (upper motor neuron signs)

Traumatic Red Flags: 7. Acute trauma history (risk of cervical fracture, subluxation, epidural haematoma) 8. Severe, unremitting neck pain (fracture, osteomyelitis, discitis) 9. Midline cervical spine tenderness (fracture, ligamentous injury)

Infectious/Inflammatory Red Flags: 10. High fever + toxic appearance (retropharyngeal abscess, cervical osteomyelitis) 11. Drooling, stridor, dysphagia (retropharyngeal abscess, airway compromise) 12. Recent URTI or ENT surgery (Grisel's syndrome—atlanto-axial subluxation)

Ocular Red Flags: 13. Diplopia or abnormal eye movements (ocular torticollis from fourth/sixth nerve palsy) 14. Fixed, non-correctable head posture (compensatory for strabismus)

Immediate Management:

• Urgent MRI brain and cervical spine (if neurological signs)
• CT cervical spine (if trauma or AARS suspected)
• Lateral neck X-ray / CT neck (if retropharyngeal abscess suspected)
• Specialist referral: Neurosurgery (tumour), Orthopaedics/Spine (AARS, fracture), ENT (abscess), Ophthalmology (ocular torticollis)

Remember: 'Benign' muscular torticollis is a diagnosis of exclusion in acquired cases—red flags must be actively sought and excluded."

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Common Short Case Scenarios (MRCPCH Clinical Exam)

Scenario 1: "Examine this infant's neck and hips"

Likely Diagnosis: CMT with possible DDH

Systematic Approach:

Inspection:

• Head posture: Lateral tilt, chin rotation
• Facial symmetry: Hemihypoplasia?
• Plagiocephaly: Occipital flattening?

Palpation:

• SCM: Palpate from mastoid to clavicle for tight band or "olive" mass

Movement:

• Passive ROM: Rotation (chin to shoulder), lateral flexion (ear to shoulder)

Hip Examination:

• Barlow test, Ortolani test, Galeazzi sign, abduction symmetry

Findings to Report:

• "This infant has right-sided torticollis with a palpable right SCM mass, consistent with congenital muscular torticollis. There is plagiocephaly on the right occiput. Hip examination reveals limited abduction on the left, raising concern for developmental dysplasia of the hip."

Management Plan:

• "I would arrange hip ultrasound to assess for DDH, commence physiotherapy with passive stretching exercises (rotation and lateral flexion), educate parents on positioning strategies and tummy time, and review in 6-8 weeks to assess progress."

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SAQs (Short Answer Questions)

Q: List four causes of torticollis in a 3-year-old child. (4 marks)

Model Answer:

1. Benign muscular torticollis (viral myositis)
2. Grisel's syndrome (atlanto-axial rotatory subluxation post-URTI)
3. Cervical lymphadenitis (reactive adenopathy)
4. Posterior fossa tumour (medulloblastoma, ependymoma)

(Other acceptable answers: Retropharyngeal abscess, cervical spine trauma, ocular torticollis, cervical osteomyelitis)

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Q: Describe the physiotherapy management of congenital muscular torticollis. (6 marks)

Model Answer:

1. Passive stretching exercises (2 marks):

   • Rotation: Turn chin toward affected side (10-15 seconds, 3-5 repetitions)
   • Lateral flexion: Tilt ear away from affected side (10-15 seconds, 3-5 repetitions)
   • Frequency: 4-6 times per day (at every nappy change)

2. Active positioning (2 marks):

   • Place toys/stimulation on non-affected side to encourage head turning
   • Alternate feeding positions
   • Change crib orientation regularly

3. Tummy time (1 mark):

   • Daily supervised prone play to strengthen neck extensors and prevent plagiocephaly

4. Parental education (1 mark):

   • Demonstrate techniques, provide written instructions, emphasize consistency

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13. References

Primary Literature

1. Herman MJ. Torticollis in infants and children: common and unusual causes. Instr Course Lect. 2006;55:647-653. PMID: 16958498.

2. Tien YC, Su JY, Lin GT, Lin SY. Ultrasonographic study of the coexistence of muscular torticollis and dysplasia of the hip. J Pediatr Orthop. 2001;21(3):343-347. PMID: 11371817.

3. Stellwagen L, Hubbard E, Chambers C, Jones KL. Torticollis, facial asymmetry and plagiocephaly in normal newborns. Arch Dis Child. 2008;93(10):827-831. DOI: 10.1136/adc.2007.124123.

4. Cheng JC, Wong MW, Tang SP, Chen TM, Shum SL, Wong EM. Clinical determinants of the outcome of manual stretching in the treatment of congenital muscular torticollis in infants. J Bone Joint Surg Am. 2001;83(5):679-687. PMID: 11379737.

5. Ballock RT, Song KM. The prevalence of nonmuscular causes of torticollis in children. J Pediatr Orthop. 1996;16(4):500-504. PMID: 8792283.

6. Pollack IF, Polinko P, Albright AL, Towbin R, Fitz C. Mutism and pseudobulbar symptoms after resection of posterior fossa tumors in children: incidence and pathophysiology. Neurosurgery. 1995;37(5):885-893. PMID: 8559335.

7. Do TT. Congenital muscular torticollis: current concepts and review of treatment. Curr Opin Pediatr. 2006;18(1):26-29. PMID: 16470158. DOI: 10.1097/01.mop.0000193276.22140.53.

8. Kaplan SL, Coulter C, Fetters L. Physical therapy management of congenital muscular torticollis: an evidence-based clinical practice guideline. Pediatr Phys Ther. 2018;30(4):240-290. PMID: 30277940. DOI: 10.1097/PEP.0000000000000544.

9. Sanner MA, DiGiovanni BF, Smith BG. Surgical treatment of congenital muscular torticollis: long-term follow-up. J Pediatr Orthop. 2019;39(8):e606-e611. PMID: 31425417. DOI: 10.1097/BPO.0000000000001365.

10. Von Heideken J, Green DW, Burke SW, et al. The relationship between developmental dysplasia of the hip and congenital muscular torticollis. J Pediatr Orthop. 2006;26(6):805-808. PMID: 17065951. DOI: 10.1097/01.bpo.0000235398.41913.51.

11. Wei JN, Song CY, Tang SF, et al. Incidence of developmental dysplasia of the hip in infants with congenital muscular torticollis. J Pediatr. 2013;163(5):1333-1337. PMID: 23932314. DOI: 10.1016/j.jpeds.2013.06.016.

12. Tang S, Liu Z, Quan X, Qin J, Zhang D. Sternocleidomastoid pseudotumor of infants and congenital muscular torticollis: fine-structure research and fibroblast culture. J Pediatr Orthop. 1998;18(2):214-218. PMID: 9531405.

13. Mawji A, Vollman AR, Hatfield J, McNeil DA, Sauve R. The incidence of positional plagiocephaly: a cohort study. Pediatrics. 2013;132(2):298-304. PMID: 23837174. DOI: 10.1542/peds.2012-3438.

14. Fielding JW, Hawkins RJ. Atlanto-axial rotatory fixation (fixed rotatory subluxation of the atlanto-axial joint). J Bone Joint Surg Am. 1977;59(1):37-44. PMID: 833172.

15. Nucci P, Kushner BJ, Serafino M, Orzalesi N. A multi-disciplinary study of the ocular, orthopedic, and neurologic causes of abnormal head postures in children. Am J Ophthalmol. 2005;140(1):65-68. PMID: 15953771. DOI: 10.1016/j.ajo.2005.01.037.

16. Kabakus N, Kurt A. Sandifer syndrome: a continuing problem of misdiagnosis. Pediatr Int. 2006;48(6):622-625. PMID: 17168987. DOI: 10.1111/j.1442-200X.2006.02281.x.

17. Samartzis D, Kalluri P, Herman J, Lubicky JP, Shen FH. Cervical scoliosis in the Klippel-Feil patient. Spine. 2011;36(23):E1501-E1508. PMID: 21270687. DOI: 10.1097/BRS.0b013e3181f9a242.

18. Drigo P, Carli G, Laverda AM. Benign paroxysmal torticollis of infancy. Brain Dev. 2000;22(3):169-172. PMID: 10814899. DOI: 10.1016/s0387-7604(00)00094-2.

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Medical Disclaimer: MedVellum content is for educational purposes and clinical reference. Clinical decisions should account for individual patient circumstances and current best-evidence guidelines. Always consult appropriate specialists for complex or uncertain cases.