Rare clinical presentation of umbilical endometriosis

AditiShivcharan Agrawal, Tuhina Mishra
In: Indian Journal of Health Sciences and Biomedical Research (KLEU) · 2021 · vol. 14(2) , pp. 287 · doi:10.4103/kleuhsj.kleuhsj_20_21 · W3174258892
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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-09 ⓘ

This paper reports a rare case of a 40-year-old female with a long-standing, painless umbilical mass, highlighting the diagnostic challenges of atypical umbilical endometriosis presentations.

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Abstract

Primary umbilical endometriosis is a rare disorder accounting for 0.5%–1% of extragenital endometriosis. It is defined as the presence of ectopic endometrial tissue within the umbilicus. Although it mostly presents as a typical cyclic umbilical discharge coincidental with a palpable mass, the diagnosis is often delayed due to its low prevalence and abnormal presentation, as in this case. The possibility of subcutaneous endometriosis should not be ruled out when an umbilical mass is detected, even if there is no history of previous surgery. Other differential diagnoses of umbilical mass include paraumbilical hernia, surgical scar (laparoscopy), primary umbilical tumor, granuloma, Sister Mary Joseph's nodule, and urachal duct cyst. In our report, we present the case of a 40-year-old female who came with a painless mass in the umbilicus for the past 10 years.

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Condition tags

endometriosis

Citation neighborhood (2-hop)

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

References (9)

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last seen: 2026-06-10T17:14:06.276822+00:00
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