A father brings his son to a psychiatrist with complaints of repeated self-harm behavior, social isolation, and inability to maintain a stable relationship with his spouse. Which of the following is the most likely diagnosis?

Appeared in: NORCET 10 Mains

Explanation

The correct diagnosis is Borderline Personality Disorder (BPD).
The patient's symptoms of repeated self-harm and an inability to maintain stable relationships are classic, core features of BPD.
Self-destructive acts, such as cutting or burning, are common in BPD and are often used to express anger, elicit help, or numb overwhelming emotions.
The 'inability to maintain stable relationships' reflects the tumultuous and intense interpersonal patterns, fear of abandonment, and identity disturbance characteristic of BPD.
Social isolation in BPD can be a consequence of pushing others away due to intense anger or fear, or the aftermath of chaotic relationships, despite a deep-seated fear of being alone.

Option B: Narcissistic Personality Disorder (NPD) is primarily characterized by grandiosity, a need for admiration, and a lack of empathy. While individuals with NPD have unstable relationships, self-harm is not a typical feature.
Option C: Histrionic Personality Disorder (HPD) involves excessive emotionality and attention-seeking behavior. The patient's 'social isolation' is inconsistent with HPD, as these individuals are uncomfortable when not the center of attention.
Option D: Schizoid Personality Disorder is defined by a profound detachment from social relationships and a restricted range of emotional expression. While it explains social isolation, it does not account for the 'inability to maintain a stable relationship' (as they are not sought) or the 'repeated self-harm'.

Visual 1: Table - A comparative chart detailing the key features of Cluster B personality disorders (Borderline, Narcissistic, Histrionic, Antisocial) to help differentiate them.
Visual 2: Infographic - An infographic illustrating the nine diagnostic criteria for Borderline Personality Disorder, with icons representing each symptom (e.g., a broken heart for unstable relationships, a storm cloud for mood instability).

Clinical Relevance

Nursing practice connection: Use the key finding related to Diagnosis of personality disorders based on clinical presentation to guide bedside assessment, documentation, and the next nursing action.
Patient safety is the foremost priority when caring for an individual with BPD due to the high risk of self-harm and suicide. Nurses must implement suicide precautions and create a safe environment.
Maintaining firm, consistent boundaries is crucial. Staff must communicate and adhere to the care plan to prevent 'splitting'—a defense mechanism where the patient idealizes some staff while devaluing others, which can disrupt the therapeutic environment.
Therapeutic communication should focus on validating the patient's feelings while not reinforcing maladaptive behaviors. For example, when treating self-inflicted wounds, the nurse should provide care in a calm, matter-of-fact manner.

How to Approach the Question

First, identify the key symptoms presented in the clinical vignette: 1) repeated self-harm, 2) social isolation, and 3) unstable relationships.
Recognize this cluster of symptoms points towards a disorder characterized by emotional dysregulation, impulsivity, and interpersonal difficulties.
Systematically evaluate each personality disorder option against the presented symptoms.
For Borderline PD, confirm that self-harm and unstable relationships are hallmark features.
For Narcissistic PD, note the absence of grandiosity and the presence of self-harm, making it a poor fit.
For Histrionic PD, recognize that social isolation is contrary to the attention-seeking nature of the disorder.

Concept Tested & Keywords

Concept Tested: Diagnosis of personality disorders based on clinical presentation.
Stem keywords: repeated self-harm, social isolation, inability to maintain a stable relationship
Lead-in keywords: most likely diagnosis
Clinical cues: The combination of self-harm and unstable relationships is a strong pointer towards Borderline Personality Disorder.

Qej5bucu7fzE40iYni0qyd

Practise the full NORCET 10 Mains

Attempt every question from this paper in a timed mock, then review the full solution for each one.