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Research Article Open access CC BY 4.0

A Giant Cutaneous Horn of the Back with Initial Malignant Transformation: A Case Report

Mohamed Muhamedhussein, Mohammed Manji, Alihussein Molloo, Shaneabbas Jaffer, Mohamed Kawambwa

Asian Journal of Case Reports in Surgery · pp. 831–837 · Published 9 Dec 2025

10.9734/ajcrs/2025/v8i2726

Abstract

A cutaneous horn is conical projection of the skin and its soft tissue which is a result of a pathologic accumulation of material which is keratinized. There are numerous factors that are associated with cutaneous horns such as being male, increased age and lesion geometry. For people above the age of 50 years, the risk of malignant lesion is higher. A 21-year-old female presented to the clinic with a skin lesion on her back which had started 3 years ago. It began as a wound, which then progressed into a conical shaped swelling. On physical examination, it was 12 x 11 x 10 cm in size, hard, horny, fixed mass with irregular margins and heavy scarring located on the midline. X-ray and CT scan were done which showed no involvement of the spine. Wide surgical excision was done followed by skin grafting. The histology concluded that it was a cutaneous horn with early changes of verrucous carcinoma. She was then sent for radiotherapy.

Case report cutaneous horn surgery split thickness skin graft

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