Umbilical endometriosis

Ahmed Z, Zunaid Ahmed, Visser WI, Willem Izak Visser, Ismail K, Kaashifah Ismail
The British journal of dermatology · 2026 · vol. 195(3) , pp. 557 · doi:10.1093/bjd/ljag190 · PMID:42136145 · W7161312049
article OA: closed public-domain-us
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⚙ AI-generated summary by qwen3.7-flash, 2026-08-19 ⓘ

This image illustrates a classic presentation of umbilical endometriosis, characterized by a multilobulated hyperpigmented nodule with cyclical bleeding that mimics malignancy and highlights the importance of clinical history.

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Abstract

A multilobulated hyperpigmented umbilical nodule with cyclical bleeding is a striking but easily overlooked clue to cutaneous endometriosis. This image highlights a classic presentation that can mimic malignancy, emphasizing the importance of clinical history in guiding diagnosis.

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Condition tags

endometriosis

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Courtesy of the U.S. National Library of Medicine