Psych CASC / OSCE · General adult psychiatry — personality disorders
Explain ASPD, risk and treatment limits — CASC communication station
MRCPsych/FRANZCP-style communication station: explain ASPD without pejorative psychopathy collapse, outline honest treatment limits, emphasise substance and multi-agency work, clarify confidentiality limits when risk escalates, check understanding.
On this page & tools
Target exams
Station brief
Format. Communication station, approximately 7–10 minutes active time after reading. You are the psychiatry registrar in the community clinic. [1]
Candidate instructions. Explain antisocial personality disorder in clear language without stigma or collusion, carefully separate it from the word "psychopath," outline what treatment can and cannot do, emphasise substance use and practical goals, explain limits of confidentiality when others are at risk, and check understanding. The examiner plays the patient. [1][3]
Candidate scenario
Your patient meets DSM criteria for ASPD with childhood conduct problems, repeated assaults, deceit, and remorseless rationalisations. He drinks heavily and uses stimulants. He is not currently psychotic. Probation is involved. He is not presently expressing a specific timed plan to harm a named person in the room, but risk work remains active. [1][3]
Marking domains
- Empathy, structure and agenda-setting without colluding with minimisation
- Accurate non-pejorative explanation of ASPD and distinction from psychopathy
- Honest treatment expectations (no disease-modifying drug; limited psychological evidence; still worth engaging)
- Substance use as a high-yield target
- Clear explanation of confidentiality limits and multi-agency working
- Collaborative goals and teach-back [2][3][4]
Reveal assessor key
Open and agenda-set. Name time available; acknowledge anger at the label; ask what he heard already. [1]
Explain diagnosis. "Antisocial personality disorder describes a long-standing pattern of breaking rules, harming or using other people, acting on impulse, and struggling to take responsibility — starting from teenage conduct problems. It is a clinical diagnosis, not a moral insult and not the same as casually calling someone a psychopath. Psychopathy is a related research idea about callous traits that specialists sometimes measure; it is not automatically what your clinic diagnosis means." [1][2]
Explain treatment. Medicines do not cure the personality pattern itself. We still treat depression, sleep, and especially alcohol and drug problems, because that often reduces fights and chaos. Talking treatments can help some people with problem-solving, impulse control and understanding others if they engage; evidence is limited so we set realistic goals. We work with probation when needed to manage risk. [3][4]
Confidentiality. Usual privacy applies, but if we believe someone is in serious danger we may need to share limited information to protect them — we will be as transparent as safety allows. [3]
Close. Summarise goals (e.g. substance treatment start, crisis plan, next appointment), teach-back, written information, hope without false promises. [1][3]
References
- [1]Glenn AL, Johnson AK, Raine A Antisocial personality disorder: a current review Curr Psychiatry Rep, 2013.PMID 24249521
- [2]De Brito SA, Forth AE, Baskin-Sommers AR, et al. Psychopathy Nat Rev Dis Primers, 2021.PMID 34238935
- [3]Kendall T, Pilling S, Tyrer P, et al. Borderline and antisocial personality disorders: summary of NICE guidance BMJ, 2009.PMID 19176682
- [4]Khalifa NR, Gibbon S, Völlm BA, et al. Pharmacological interventions for antisocial personality disorder Cochrane Database Syst Rev, 2020.PMID 32880105