Acral persistent papular mucinosis: A case report and summary of 24 Japanese cases

Acral persistent papular mucinosis is a rare subtype of localized lichen myxedematosus. We report a case of a 41‐year‐old woman with acral persistent papular mucinosis. She had a 5‐year history of multiple, scattered, whitish papules, on the back of both hands, of 2–5 mm in diameter. Histopathological examination revealed a focal, fairly circumscribed area with sparse collagen fibers in the upper and middle dermis. The circumscribed area was...