Acral persistent papular mucinosis (APPM) is a subtype of localized lichen myxedematosus (LM) characterized by the chronic development of white to skin-colored papules and limited to the extensor surfaces of the hands and distal part of forearms, in the absence of systemic or laboratory manifestations. There is a strong predominance in women. Histopathology shows focal accumulation of mucin in the upper portion of the dermis sparing the grenz zone. The etiology is unknown. It is a benign condition, although dynamic changes occur with the progressive development of additional lesions. No specific treatment is required, and patients should be reassured about the prognosis.

Acral persistent papular mucinosis

Rongioletti F.
Primo
Writing – Original Draft Preparation
;
Ferreli C.
Secondo
Writing – Review & Editing
;
Atzori L.
Ultimo
Writing – Review & Editing
2021

Abstract

Acral persistent papular mucinosis (APPM) is a subtype of localized lichen myxedematosus (LM) characterized by the chronic development of white to skin-colored papules and limited to the extensor surfaces of the hands and distal part of forearms, in the absence of systemic or laboratory manifestations. There is a strong predominance in women. Histopathology shows focal accumulation of mucin in the upper portion of the dermis sparing the grenz zone. The etiology is unknown. It is a benign condition, although dynamic changes occur with the progressive development of additional lesions. No specific treatment is required, and patients should be reassured about the prognosis.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11584/320341
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