Educational Disclaimer: This case study is for educational and informational purposes only. It does not constitute medical advice, clinical guidance, or a substitute for professional psychiatric evaluation. All diagnostic criteria referenced are from the DSM-5-TR (APA, 2022). Clinicians should rely on their professional training, direct patient assessment, and current evidence-based guidelines when making diagnostic and treatment decisions.

Clinical Vignette

Patient: "Ms. J," 35-year-old beauty influencer, referred by her therapist after the therapist noted a pattern of seductive behavior toward male staff and dramatic emotional displays that disrupted group therapy sessions.

Chief Concern: Therapist note: "Ms. J dominates group sessions with dramatic emotional narratives, wears provocative clothing to sessions, flirts with male patients and staff, and becomes visibly distressed when another group member receives attention. When confronted, she stated: 'I'm just a passionate person — if people can't handle that, it's their problem.'"

History of Present Illness: Ms. J demonstrates a pervasive pattern of excessive emotionality and attention-seeking present since late adolescence. Features: (1) Uncomfortable when NOT the center of attention: leaves events where she is not the focus, disrupts conversations to redirect attention to herself, becomes visibly deflated when not in the spotlight. (2) Seductive/provocative behavior: wears sexually provocative clothing consistently (not limited to specific contexts), flirts with professionals (therapist, physician, attorney), uses physical appearance strategically in all interactions. (3) Shifting, shallow emotions: rapid emotional displays (crying, laughing, anger) that appear exaggerated and shift quickly. Others describe her emotions as 'performative.' (4) Uses appearance to draw attention: heavy makeup, designer fashion, social media presence focused on physical appearance (1.2M followers). (5) Impressionistic speech: describes experiences in sweeping terms with minimal detail ('It was THE MOST devastating thing,' 'He was ABSOLUTELY the most amazing'). (6) Dramatic/theatrical emotional expression: faints, sobs dramatically, uses physical gestures for emphasis in ordinary conversation. (7) Suggestible: easily influenced by others and circumstances. Changes opinions to match whoever she is speaking to. (8) Considers relationships more intimate than they are: describes her therapist as 'my closest confidante' after 3 sessions, describes new acquaintances as 'lifelong friends.'

Past Psychiatric History: 3 prior therapists (all male, all terminated after she 'developed feelings'). No medication trials.

Family History: Mother: described as 'always needed to be the center of attention.' No formal diagnoses.

Mental Status Exam: Entered wearing dramatic outfit with extensive jewelry. Immediately complimented clinician ('You have such kind eyes — I knew I could trust you'). Affect labile: crying dramatically about a 'devastating' breakup, then laughing about it within 2 minutes. Emotions appear shallow (tears present without corresponding facial grief). Speech impressionistic: 'Everything is either incredible or catastrophic.' Mildly seductive toward clinician (leaned forward, touched clinician's arm). No psychotic symptoms. No self-harm. No suicidal ideation. Insight minimal.

Step 1: Histrionic PD DSM-5-TR Criteria (≥5 of 8)

(1) Uncomfortable when not center of attention

Dominates group. Leaves events where not the focus. Becomes deflated when attention shifts. PRESENT.

(2) Inappropriately sexually seductive or provocative behavior

Provocative clothing across contexts. Flirts with professionals and therapists. PRESENT.

(3) Rapidly shifting and shallow expression of emotions

Crying → laughing within 2 minutes. Emotions described as 'performative' by others. PRESENT.

(4) Consistently uses physical appearance to draw attention

Heavy makeup, designer fashion, social media appearance-focus, dramatic outfits. PRESENT.

(5) Impressionistic speech lacking detail

'THE MOST devastating,' 'ABSOLUTELY the most amazing.' No specific details. PRESENT.

(6) Self-dramatization, theatricality, exaggerated emotional expression

Dramatic sobbing, fainting, sweeping gestures in ordinary conversation. PRESENT.

(7) Suggestible

Changes opinions to match conversation partner. PRESENT.

(8) Considers relationships more intimate than they actually are

Therapist = 'closest confidante' after 3 sessions. New acquaintances = 'lifelong friends.' PRESENT.

TOTAL: 8/8.

ALL 8 MET.

Step 2: HPD vs. BPD vs. NPD

Feature HPD BPD NPD This Patient
Attention motivation Being center of attention Fear of abandonment Admiration of superiority HPD: center of attention
Emotional display Dramatic but SHALLOW Intense and DEEP Controlled except narcissistic injury HPD: dramatic but shallow
Self-harm Not characteristic Core feature Not characteristic Absent
Relationships Superficially warm, overestimates intimacy Idealization-devaluation Exploitative HPD: overestimates intimacy
Identity Defined by others' reactions Unstable/shifting Grandiose/inflated Defined by audience response

Treatment Approach

HPD shares Cluster B classification with BPD and NPD but differs in emotional depth (shallow vs. deep) and motivation (audience attention vs. abandonment prevention vs. superiority validation). Treatment focuses on developing genuine emotional depth and stable identity independent of external validation.

Diagnostic Formulation

Diagnostic Conclusion

Histrionic Personality Disorder (F60.4): All 8 DSM-5-TR criteria met. Pervasive pattern since late adolescence. Three prior therapy terminations due to sexualized transference. Treatment: psychodynamic psychotherapy (exploring the function of attention-seeking behavior), preferably with a female therapist initially to reduce sexualized dynamics. CBT for developing genuine emotional vocabulary and depth. Address core belief that self-worth depends entirely on external attention.

Teaching Points

  • Histrionic PD is a Cluster B personality disorder centered on ATTENTION (not admiration as in NPD, not abandonment as in BPD). The core dynamic: self-worth is entirely dependent on being the center of others' attention. When attention is not forthcoming, the patient experiences genuine distress.
  • The emotional shallowness in HPD is a clinical observation, not a judgment. The patient displays emotions dramatically, but the emotions shift rapidly and lack the sustained depth seen in BPD or MDD. This shallowness is evident in Ms. J's crying-to-laughing transition within 2 minutes about a supposedly 'devastating' event.
  • Sexualized behavior in HPD is attention-seeking, not necessarily sexual desire. The seductive behavior is a strategy for capturing and maintaining attention, not an expression of genuine sexual interest. This distinction is important for management of therapeutic boundaries.
  • HPD is one of the most culturally sensitive personality disorder diagnoses. Norms for emotional expressiveness, physical presentation, and interpersonal style vary significantly across cultures and genders. The diagnosis should only be applied when the pattern exceeds cultural norms and causes impairment.
  • Transference issues are prominent in HPD therapy. The patient may attempt to sexualize the therapeutic relationship or make the therapist a 'special' audience member. Firm, consistent boundary-setting while maintaining therapeutic warmth is essential.