Een sinus pilonidalis aan de penis

A 43-year-old man presented with a painful itching penile lesion. Examination revealed multiple fistulas with protruding hairs and surrounding induration. The urologist identified them as pilonidal sinuses and surgically performed debridement. Penile pilonidal sinus is a very rare differential diagnosis of balanoposthitis, epidermal cyst and penile carcinoma.

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