Several Weeks Of Vulvar in Medicine / Internal Medicine — 29yo Woman | Dermatology | SMLE Q#9226
SMLE Question #9226
Medicine / Internal Medicine
Dermatology
Last updated: February 2026
A 29-year-old woman presents with several weeks of vulvar pruritus and discomfort. She reports past recurrent, well-demarcated erythematous plaques with scale on her elbows that were called psoriasis, without prior biopsy. Examination shows sharply marginated erythematous plaques confined to the vulva with minimal scale, without ulceration, discharge, or signs of infection; speculum examination is normal. Which of the following is required for a definitive diagnosis of psoriasis in this patient?
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