Benzidine is the stain of choice and will reveal brown homogenous clusters of hemoglobin. Treatment is not necessary, as the lesion will resolve spontaneously with discontinuation of the causative activity. The placement of a felt pad in the heel of the shoe may be curative. Paring down the lesion with a scalpel blade may result in a complete clearing of the dyschromia. Sports participation can be continued without harm to the patient, although the lesion will persist unless padding is added to the heel of the athletic shoe.
Prognosis is excellent.
Complete clearing is achieved with cessation of the causative activity. If melanoma is a realistic diagnostic consideration, a skin biopsy is indicated. Dermatologic aspects of sports medicine. In vivo observation of magnified features of pigmented lesions on volar skin using video macroscope. Usefulness of epiluminescence techniques in clinical diagnosis.