Pseudoepitheliomatous, keratotic and micaceous balanitis. Case report and review of the literature.

A case of pseudoepitheliomatous, keratotic and micaceous balanitis (PEKMB) in a 64-year old man is presented. The patient presented with the 2-year history of a slowly enlarging, hyperkeratotic plaque on his glans penis that was compatible with a clinical diagnosis of PEKMB. The lesion has been treated successfully with tropical 5-fluorouracil cream, with no evidence of recurrence at 2-year follow-up. Histological examination revealed acanthosis, hyperkeratosis, and pseudoepitheliomatous hyperplasia with no cytological atypia. This rare penile condition was considered pseudomalignant, premalignant, or as a low-grade squamous malignancy. Apart from this patient we comprehensively review previously reported cases, and discuss a possible concept on etiology, diagnosis and treatment of this entity.