Clinical Vignette
Patient: "Mr. D," 28-year-old software engineer, referred by dermatology after requesting rhinoplasty for the fourth time in 2 years. Three dermatologists and two plastic surgeons have declined to operate, stating his nose is within normal anatomical range.
Chief Complaint: "My nose is deformed. I can see it. Everyone else can see it. The bumps and asymmetry are obvious. I need surgery to fix it."
History of Present Illness: Mr. D reports 6 years of preoccupation with perceived defects in his nose. He describes it as "crooked, oversized, and covered with bumps." Objective examination reveals a nose well within normal range with minor, barely perceptible asymmetry (present in the general population). Mr. D spends approximately 3-4 hours daily checking his nose in mirrors, measuring it with a ruler, taking photographs at different angles, comparing his nose to celebrity photographs, and examining his reflection in car windows, phone screens, and any reflective surface. He applies makeup (concealer) to his nose before leaving home. He avoids direct sunlight because "it highlights the deformity." He has called in sick to work on days when he perceives his nose to look "especially bad."
Additional Behaviors: Mr. D compulsively seeks reassurance from his girlfriend ("Does my nose look bad today?"), asking 10-20 times daily. He photographs his nose from multiple angles and spends evenings comparing photos to detect changes. He has researched rhinoplasty procedures extensively and has saved $15,000 for surgery. He avoids social situations where people might "look at his nose" (restaurants, bars, work meetings) and has turned down two promotions because the higher position required more in-person meetings.
Past Psychiatric History: No prior psychiatric treatment. No OCD symptoms beyond appearance-related behaviors.
Family History: Sister has OCD (contamination subtype).
Mental Status Exam: Cooperative but frequently glances at his reflection in the therapist's computer screen. Affect anxious. Readily describes his perceived defect in detail. When asked whether his perception could be inaccurate, he states: "I suppose technically the doctors disagree with me, but I see it every time I look in the mirror." Insight is poor to absent regarding the disproportionality of his concerns.
Step 1: Body Dysmorphic Disorder DSM-5-TR Criteria
Criterion A: Preoccupation with one or more perceived defects or flaws in physical appearance that are not observable or appear slight to others.
Mr. D is preoccupied with his nose, which three dermatologists and two surgeons have assessed as within normal range. The "defects" he describes (crookedness, bumps, oversizing) are not observable to professionals or objectively confirmed. MET.
Criterion B: At some point during the course of the disorder, the individual has performed repetitive behaviors (e.g., mirror checking, excessive grooming, skin picking, reassurance seeking) or mental acts (e.g., comparing his or her appearance with that of others) in response to the appearance concerns.
Mirror checking (3-4 hours daily). Measuring with ruler. Photography and comparison. Reassurance seeking (10-20 times daily). Makeup application. Celebrity comparison. All behaviors are directly linked to the perceived nose defect. MET.
Criterion C: The preoccupation causes clinically significant distress or impairment in social, occupational, or other important areas of functioning.
Avoids social situations. Declined two promotions. Calls in sick on "bad nose days." Spends 3-4 hours daily on checking behaviors. Saved $15,000 for unnecessary surgery. MET.
Criterion D: The appearance preoccupation is not better explained by concerns with body fat or weight in an individual whose symptoms meet diagnostic criteria for an eating disorder.
Preoccupation is with nose shape, not body weight or fat. No eating disorder symptoms. MET.
Step 2: Differentiating BDD from OCD
DSM-5-TR classifies BDD in the Obsessive-Compulsive and Related Disorders chapter alongside OCD, hoarding, trichotillomania, and excoriation disorder. The classification reflects shared neurocircuitry and treatment response (SSRIs, CBT). The differential is based on the content and target of the obsessional preoccupation:
| Feature | BDD | OCD | This Patient |
|---|---|---|---|
| Obsessional focus | Perceived appearance defects | Variable (contamination, harm, symmetry, etc.) | BDD: exclusively appearance-related |
| Compulsive behaviors | Mirror checking, grooming, reassurance seeking, comparing | Washing, checking, counting, ordering, etc. | BDD: all behaviors target perceived nose defect |
| Ego-syntonic vs ego-dystonic | Often ego-syntonic (believes the defect is real) | Typically ego-dystonic (recognizes thoughts as excessive) | BDD: poor insight, believes defect is real |
| Insight | Often poor to absent (overvalued ideation) | Typically fair to good | BDD: poor insight despite professional reassurance |
| Surgical seeking | Common (cosmetic procedures) | Rare | BDD: 4 surgical consultations, $15K saved |
Step 3: Insight Specifier
BDD with Absent Insight/Delusional Beliefs
DSM-5-TR provides insight specifiers for BDD: "with good or fair insight," "with poor insight," and "with absent insight/delusional beliefs." Mr. D shows poor insight: he acknowledges that doctors disagree with his perception but maintains his conviction. If his belief were held with absolute certainty and resistant to all evidence, the "absent insight/delusional beliefs" specifier would apply. This specifier eliminates the need for a separate delusional disorder diagnosis: BDD with delusional-level conviction is classified as BDD with absent insight, not as Delusional Disorder, Somatic Type.
Diagnostic Conclusion
Body Dysmorphic Disorder, with poor insight (F45.22). All criteria met. The exclusively appearance-focused obsessional preoccupation, repetitive checking/comparing behaviors, functional impairment, and poor insight are characteristic of BDD. The compulsive behaviors are specifically linked to the perceived appearance defect rather than to the broader range of obsessional themes seen in OCD.
Teaching Points
- BDD is classified in the Obsessive-Compulsive and Related Disorders chapter of DSM-5-TR, reflecting its shared neurobiology and treatment response with OCD. First-line treatment is SSRIs at higher-than-standard doses (fluoxetine at higher doses, fluvoxamine at higher doses) and CBT with exposure and response prevention targeting mirror checking, reassurance seeking, and avoidance.
- Cosmetic procedures in BDD patients have extremely low satisfaction rates. Studies consistently show that patients either remain dissatisfied after surgery, shift their preoccupation to a new body area, or become preoccupied with surgical results. BDD is a contraindication for elective cosmetic procedures, and dermatologists/surgeons should screen for BDD before proceeding.
- Poor insight in BDD is common and does not indicate psychosis. The DSM-5-TR "absent insight/delusional beliefs" specifier allows delusional-level conviction about the perceived defect to remain classified as BDD rather than as a psychotic disorder. This has treatment implications: antipsychotic monotherapy is ineffective for BDD; SSRI therapy is required.
- BDD affects approximately a clinically significant proportion of the general population and is equally common in men and women. Common body areas of focus include skin, hair, and nose (the most commonly reported areas of focus). Men are more likely to present with muscle dysmorphia (preoccupation with insufficient muscularity).
- Differentiating BDD from normal appearance concerns requires assessing the time spent (hours daily), degree of impairment (missed work, social avoidance), and presence of repetitive behaviors. A person who dislikes their nose but does not engage in excessive checking, avoidance, or reassurance seeking does not meet BDD criteria.