GENITAL POROKERATOSIS

By Gary M. White, MD

Porokeratosis of the groin

Disseminated superficial actinic porokeratosis (DSAP) of the groin, courtesy Paul Koonings, MD


Porokeratosis may rarely occur in the groin. When porokeratosis occurs on the penis, scrotum, or vulva, the term genital porokeratosis is used. It may be bilateral as shown here, or unilateral. There may be many small lesions as in DSAP or fewer, larger lesions.

Additional Pictures

Porokeratosis of the groin

References

A 22-year-old man presented with multiple pruritic lesions over scrotum since 4 years. They began as lentil sized lesions of the scrotum and progressed in size and number spreading to involve the penis. Indian J Dermatol 2015;60:314-5

A 26-year-old man presented with an erythematous plaque on ventral surface of penile shaft with a sharply defined thready keratotic margin for five months. Indian Dermatol Online J 2015;6:339-41

A 37-year-old Indian man presented with a large, dark colored, mildly itchy verrucous plaque involving both buttocks for 25 years. It started as a pea-sized raised papule on the anal cleft and slowly progressed over the next 15-20 years. Porokeratosis ptychotropica: a rare variant of porokeratosis Dermatology Online Journal

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