[Epidermal peripilar nevus]

A classic case of Epidermal Nevus with a particular peripilar arrangement is presented. Histopathologically, acanthosis, hyperkeratosis and papillomatosis is observed. The indemnity of the hair appendages was demonstrated in three biopsies. Some observations are made about the classification of the epidermal nevus following recent research which includes epidermolytic hyperkeratosis and linear includes epidermolytic hyperkatosis and linear inflammatory nevus. Follicular and comedo nevus, which was included in the differential diagnosis of this patient, is discussed.