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Acquired Digital Fibrokeratoma of the Toe

A Rare Anatomical Location

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Acquired digital fibrokeratoma is a rare and benign fibrous tumor; it is usually asymptomatic, and frequently arises from the fingers. The diagnosis is easily confirmed by pathologic evaluation. However, in some cases, it may be misdiagnosed as other benign conditions, mainly adnexal tumors and common warts, especially when located on the foot and toes. In this article, we report the case of a 45-year-old man who presented to our clinic for an acquired growth over the plantar surface of the second right toe. The tumor had evolved for 1 year and affected the patient's activities and mobility. On examination, the lesion was a dome-shaped, firm tumor with keratotic distal changes and a broad base attached to the overlying skin. Pathologic assessment was consistent with the diagnosis of acquired digital fibrokeratoma, ruling out other causes of abnormal growth. The tumor was completely excised with surgery, with excellent outcomes and no recurrence at follow-up. Although acquired digital fibrokeratoma is a rare condition, mostly located on the distal upper extremities and fingers, it should be considered in the differential diagnosis of plantar soft-tissue tumors. Surgical management remains the mainstay of treatment.

Department of Dermatology, Habib Thameur Hospital, Tunis, Tunisia.

Department of Pathology, Habib Thameur Hospital, Tunis, Tunisia.

Corresponding author: Soumaya Gara, MD, Department of Dermatology, Habib Thameur Hospital, 8, Ali Ben Ayed St, Montfleury, Tunis 1008, Tunisia. (E-mail: soumayagara33@gmail.com)