Dermatofibroma overview
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Dermatofibromas are harmless benign skin growths, found especially on the legs, that range in size from about 0.5 to 1 cm. Dermatofibromas are hard solitary slow-growing papules (rounded bumps) that may appear in a variety of colours, usually brownish to tan; they are often elevated or pedunculated.
Historical Perspective
Classification
Dermatofibromas are classed as benign skin lesions, meaning that they are completely harmless, though they may be confused with a variety of subcutaneous tumours. Deep penetrating dermatofibromas may be difficult to distinguish, even histologically, from rare malignant fibrohistocytic tumours like dermatofibrosarcoma protuberans.
Pathophysiology
Dermatofibromas are composed of disordered collagen laid down by fibroblasts.