A case of papular acantholytic dyskeratosis of the right scrotum

To report a case of popular acantholytic dyskeratosis of the right scrotum. A 58-year-old man complained of pruritic papules on the right scrotum for over 5 years. Dermatologic examination revealed unevenly distributed, millet to green bean sized papules with erosion and maceration, on the right groin. Histopathological changes included hyperkeratosis, parakeratosis, irregular epidermal hyperplasia, acantholysis, intraepidermal vesicles, with a large number of dyskeratotic cells in addition to infiltration of lymphocytes and plasma cells in the dermis. Patient was diagnosed with papular acantholytic dyskeratosis and treated with fractional CO2 laser, and the rashes repeatedly relapsed when followed up 2 years later.