Subungual glomus tumor of the hallux

An unusual case of subungual glomus tumor involving the left hallux of a forty-year-old black man is presented, with a review of the literature. The histopathologic appearance, clinical presentation, differential diagnosis, and treatment for a subungual glomus tumor are reviewed. The glomus tumor is a rare hamartomatous overgrowth of the normal glomus elements found in the skin. The tumor presents as a painful, benign growth, most often in the digits.