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Zorluk: OrtaPersonality Disorders

A 35-year-old male business executive presents to a new primary care physician to establish care. Upon entering the examination room, he immediately complains that the clinic's waiting area is "substandard for someone of my caliber" and insists he should not have been required to wait. During the interview, he boasts extensively about his "unmatched genius" in corporate strategy and demands referrals only to "top-tier, world-renowned specialists" for his mild lower back pain. He expresses intense envy toward a rival executive who recently received a prestigious industry award. The patient notes that yesterday, upon hearing about his rival's award, he felt a deep sense of emptiness and experienced a 2-hour episode of intense paranoia, believing his colleagues were conspiring to ruin his career. This paranoia completely resolved after he successfully led a board meeting later that afternoon. His medical history is notable for occasional low mood, for which he takes fluoxetine. Vital signs are within normal limits. Laboratory results show a thyroid-stimulating hormone (TSH) level of 1.8 µU/mL and a normal free T4. Which of the following is the most likely diagnosis?

  1. Narcissistic personality disorderCevap
  2. B
    Bipolar I disorder
  3. C
    Brief psychotic disorder
  4. D
    Hyperthyroidism
  5. E
    Serotonin syndrome

Cevap

Narcissistic personality disorder
The correct diagnosis is Narcissistic Personality Disorder (NPD). This patient exhibits a pervasive pattern of grandiosity, a need for admiration, a sense of entitlement, and envy of others. When faced with a threat to their self-esteem (a 'narcissistic injury', such as a rival's success), patients with NPD can experience intense feelings of emptiness or develop severe, transient stress-related paranoid ideation. Crucially, these paranoid episodes are fleeting (lasting minutes to hours) and resolve once the patient's self-worth is validated (e.g., successfully leading a board meeting).

Adım Adım Çözüm

1
Analyze the patient's interpersonal behavior and core personality traits.
The patient demonstrates grandiosity, entitlement, belief that he is 'special' (demanding world-renowned specialists), and intense envy of others.
Identifying pervasive character traits is essential for distinguishing Cluster B personality disorders from acute Axis I pathologies.
2
Evaluate the acute symptoms in the context of stressors.
The patient experienced a 2-hour episode of paranoia triggered by a 'narcissistic injury' (his rival winning an award), which resolved rapidly.
Determining the duration and trigger of psychotic symptoms differentiates transient stress-related paranoia seen in personality disorders from primary psychotic disorders.
3
Rule out medical and medication-induced etiologies.
Normal thyroid labs rule out hyperthyroidism. Absence of fever, clonus, and autonomic instability rules out serotonin syndrome despite SSRI use.
Psychiatric diagnoses are diagnoses of exclusion; physiological causes of altered mental status must be eliminated first.

Anahtar Kavram

Patients with Narcissistic Personality Disorder exhibit pervasive grandiosity and lack of empathy, and they may experience transient, stress-related paranoid ideation following a narcissistic injury.
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Personality Disorders

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