Volume 25 Number 4| April 2019| Dermatology Online Journal || Case Presentation 25(4):6 Multiple acantholytic dyskeratotic acanthomas in a liver- transplant recipient Jean Kanitakis1,2, Laurie Gouillon1, Denis Jullien1, Emilie Ducroux1 Affiliations: 1Department of Dermatology, Edouard Herriot Hospital Group, Lyon, France, 2Department of Pathology, Centre Hospitalier Lyon Sud, Pierre Bénite, France Corresponding Author: Jean Kanitakis, Department of Dermatology, Edouard Herriot Hospital Group (Pavillion R), 69437 Lyon cedex 03, France, Tel: 33-472110301, Email:
[email protected] (0.5mg/d) and prednisolone (5mg/d). He had Abstract recently developed end-stage renal disease and was Acantholytic dyskeratotic acanthoma is a rare variant undergoing hemodialysis. His post-transplant of epidermal acanthoma characterized pathologically medical history was significant for two melanomas by the presence of acantholysis and dyskeratosis. (one in situ on the abdomen diagnosed at the age of Few cases have been reported until now, one of them 61 years and a superficial spreading melanoma in a heart-transplant patient. We present here a new 2.4mm Breslow thickness of the dorsum of the foot case of this rare lesion that developed in a liver- diagnosed ten years later), a squamous cell transplant patient and review the salient features of this uncommon condition. carcinoma of the cheek, a basal cell carcinoma and actinic keratosis of the ear, and an atypical nevus of the chest. He was seen in September 2018 (at 74 Keywords: acantholytic dyskeratotic acanthoma, years of age) for keratotic lesions of the back that had acantholysis, dyskeratosis, immunosuppression, organ been noticed recently. Physical examination showed transplantation some red-brown keratotic, asymptomatic papules grouped on the lower back, admixed with seborrheic Introduction keratoses and melanocytic nevi (Figure 1A).