A case of elastosis perforans serpiginosa associated with long‐term treatment with penicillamine

Abstract

A case of elastosis perforans serpiginosa associated with long-term treatment with penicillamine Dear Editor, A 42-year-old man with a history of Wilson's disease controlled on penicillamine for 26 years presented to the dermatology clinic with a 6-month history of asymptomatic grouped crateriform violaceous papules in the left axilla and on the posterior neck (Fig. 1). Histopathological findings showed a hyperplastic epidermis with a dilated follicular infundibulum and elimination of eosinophilic fragmented elastic fibers through a channel (Fig. 2). Trichrome stain highlighted increased numbers of coarse