Pathology · single question
Most likely diagnosis?
Older woman with lesions on the left cheek both intraorally (mucosa) and extraorally (face); do not cross the midline.
Show answer and explanation
Correct answer: A. Shingles (herpes zoster of the trigeminal nerve)
Unilateral, dermatomal, midline-respecting = herpes zoster.
- A. Correct. Unilateral lesions following a trigeminal dermatome, respecting the midline, are herpes zoster.
- B. Primary varicella is bilateral/generalized and crosses the midline.