Psychiatry · Year 3 · from Psychiatry

Case 2: Antisocial Personality Disorder with Comorbid Substance Use

Patient Demographics

  • Age: 35 years old
  • Sex: Male
  • Occupation: Unemployed (history of various jobs, none lasting >6 months)

Chief Complaint

"The court said I had to come here or go to jail."

History of Present Illness

The patient is a 35-year-old male presenting for court-mandated psychiatric evaluation following his third arrest for assault in 5 years. The current charge involves a bar fight where he struck another patron with a bottle after a perceived insult. He shows no remorse for his actions, stating "He had it coming. He disrespected me." He has an extensive criminal history beginning at age 14, including theft, vandalism, fraud, drug possession, and multiple assaults. He reports a pattern of impulsive aggression when he feels challenged or "looked at wrong." He has never maintained stable employment due to conflicts with supervisors and coworkers. He describes multiple relationships characterized by manipulation and exploitation, including using partners financially. He reports methamphetamine and alcohol use, which he minimizes ("I can stop anytime"). He denies any psychiatric symptoms beyond stating he has "anger problems." He expresses that treatment is "pointless" and he is only present to satisfy court requirements.

Mental Status Examination

Appearance: Well-groomed male, muscular build, multiple tattoos including facial tattoos, relaxed posture, direct eye contact bordering on challenging

Behavior: Superficially charming initially, becoming dismissive and irritable when confronted; minimizes behaviors; attempts to control interview

Speech: Normal rate, normal volume, confident tone, occasionally condescending

Mood: "Fine"

Affect: Shallow, limited emotional range, dismissive when discussing victims of his behavior

Thought Process: Linear, goal-directed, calculating

Thought Content:

  • No suicidal or homicidal ideation expressed
  • Grandiose view of self ("I'm smarter than most people")
  • Externalizes blame consistently ("Everyone else causes my problems")
  • No delusions

Perceptions: No hallucinations

Cognition: Alert and oriented x4; intelligence appears above average; attention and memory intact

Insight: Absent - does not recognize behavior as problematic, views self as victim of circumstances

Judgment: Poor - repeated criminal behavior despite consequences

Collateral Information

Criminal Record Review:

  • Age 14: Juvenile detention for theft and vandalism
  • Age 18: Arrested for fraud (plea deal, probation)
  • Age 22: Assault (6 months incarceration)
  • Age 25: Drug possession, DUI
  • Age 30: Assault with weapon (18 months incarceration)
  • Age 35: Current charge - aggravated assault

Family History:

  • Father: Incarcerated for most of patient's childhood (robbery, assault)
  • Mother: Substance use disorder
  • History of childhood neglect and physical abuse

Psychiatric Workup

Screening Tools:

  • PCL-R (Psychopathy Checklist-Revised): 32/40 (high psychopathy)
  • AUDIT: 18 (hazardous alcohol use)
  • DAST-10: 6 (moderate drug use severity)

Laboratory Studies:

  • Urine drug screen: Positive for methamphetamine, THC
  • Blood alcohol level: 0

Diagnosis

Antisocial Personality Disorder (F60.2)

DSM-5 Criteria Met: A. Pervasive pattern of disregard for and violation of rights of others since age 15:

  1. Failure to conform to social norms (repeated arrests)
  2. Deceitfulness (lying, manipulation, fraud history)
  3. Impulsivity (job instability, reactive aggression)
  4. Irritability and aggressiveness (repeated assaults)
  5. Reckless disregard for safety of self or others
  6. Consistent irresponsibility (cannot maintain employment)
  7. Lack of remorse (indifferent to having hurt others)

B. Individual is at least 18 years old

C. Evidence of conduct disorder onset before age 15 (documented juvenile record for theft, vandalism, school expulsion)

D. Not occurring exclusively during schizophrenia or bipolar episode

Comorbid Diagnoses:

  • Stimulant Use Disorder (Methamphetamine), Moderate
  • Alcohol Use Disorder, Moderate

Specifier:

  • With psychopathic features (high PCL-R score, callous-unemotional traits)

Treatment Plan

Prognostic Considerations:

  • ASPD is notoriously difficult to treat
  • Limited motivation (external motivation only - court mandate)
  • High psychopathy score suggests poorer prognosis
  • Comorbid substance use complicates treatment

Recommended Interventions:

1. Court-Mandated Treatment Program:

  • Structured, confrontational group therapy program designed for criminal justice populations
  • Cognitive-behavioral interventions targeting criminal thinking patterns
  • Anger management skills training
  • Contingency management (clear consequences for behavior)

2. Substance Use Treatment:

  • Mandatory drug testing as condition of probation
  • Outpatient substance use treatment
  • Consider contingency management for stimulant use disorder

3. Pharmacotherapy:

  • Limited role for medications in ASPD specifically
  • Consider mood stabilizer (valproate) for impulsive aggression
  • Treat comorbid conditions if present

4. Risk Management:

  • High risk for violence - document risk assessment
  • Coordinate with probation officer
  • Clear behavioral expectations with consequences
  • Recommend continued monitoring by criminal justice system

Limitations:

  • Poor prognosis given lack of internal motivation
  • Treatment adherence likely to be minimal without external enforcement
  • Focus may need to be on harm reduction and community safety rather than personality change

Image Attribution

Image: Illustration depicting emotional dysregulation patterns characteristic of borderline personality disorder. Source: Wikimedia Commons. Used for educational purposes under Creative Commons license.

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