title: Circumscribed palmar or plantar hypokeratosis: report of an italian case.
abstract: Circumscribed palmar or plantar hypokeratosis is a rare benign epidermal malformation of the skin. Clinically it shows asymptomatic, well-circumscribed, and depressed erythema persisting for many years on the palms or soles. Its main histopathologic feature shows a characteristic epidermal depression with an abrupt decrement in the thickness of the stratum corneum, with a sharp stair between normal and involved skin. We describe a case of a 68-year-old woman who presented with an erythematous, asymptomatic, well-circumscribed, depressed patch, on the right thenar eminence which had been present for years.
authors.affiliation: Department of Anesthesia, Intensive Care and Dermatological Sciences, Università degli Studi di Milano, IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milan via Pace 9, Milan, 20122, Italy.
authors.forename: D
authors.initials: D
authors.lastname: Tosi
authors.forename: F
authors.initials: F
authors.lastname: Sala
authors.forename: C
authors.initials: C
authors.lastname: Crosti