Korean J Dermatol.
2006 Aug;44(8):1004-1006.
A Case of Cutaneous Horn Arising from Squamous Cell Carcinoma
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- 1Department of Dermatology, College of Medicine, Hallym University, Anyang, Korea. dermakkh@yahoo.co.kr
Abstract
- Cutaneous horn is a clinical description for a cohesive mass of cornified material protruding from the surface of the skin. These lesions may arise from a bulging erythematous base, and their shape is usually described as conical. Such lesions generally occur on sun exposed areas such as the face, ear or the dorsum of the hand. Cutaneous horn is not a pathological diagnosis and a variety of primary underlying processes can cause this lesion. We report an 85-year-old female who presented with a bean-sized, hyperkeratotic nodule on the right lower leg. Clinical and histopathologic examination confirmed the nodule to be squamous cell carcinoma presenting as cutaneous horn.
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