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Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)

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Published on: December 19, 2019

Acral persistent papular mucinosis.

Jocelyn E Harris¹, Stephen M Purcell, Thomas D Griffin

¹Lehigh Valley Hospital Dermatology Residency Program, Allentown, Pennsylvania, USA.

Journal of the American Academy of Dermatology

|December 8, 2004

Summary

This summary is machine-generated.

Acral persistent papular mucinosis, a rare localized lichen myxedematosus subtype, presents diagnostic challenges due to evolving classification. This case highlights typical clinical and histological features, contributing to understanding this debated condition.

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Area of Science:

Dermatology
Pathology

Background:

Acral persistent papular mucinosis (APPM) is a rare subtype of localized lichen myxedematosus.
Its classification has been controversial and evolving for decades, creating diagnostic challenges.

Observation:

A patient presented with discrete, flesh-colored papules on the hands, wrists, and forearms.
Histopathology revealed a well-circumscribed dermal mucin deposition, sparing a grenz zone, consistent with APPM.

Findings:

The case aligns with existing descriptions of APPM, supporting its distinct clinical and histological identity.
A literature review examines the historical debate surrounding its nomenclature and diagnostic criteria.

Implications:

This case contributes to the understanding of APPM and its place within the spectrum of lichen myxedematosus.
Clarifying diagnostic criteria may aid in future research and patient management of this rare condition.