Primary umbilical endometriosis: Case report with literature review

article OA: gold CC0 ⤵ 5 in-corpus citations
AI-generated summary by claude@2026-06, 2026-06-08

This case report details a 31-year-old nulliparous patient with a confirmed diagnosis and successful surgical excision of primary umbilical endometriosis, a rare disorder typically affecting women of childbearing age.

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Abstract

Villars nodule, also known as umbilical endometriosis, is a rare umbilical disorder, usually affecting women of child bearing age. Endometriosis is a functional endometrial tissue found outside the uterine cavity, which affects the umbilicus in 0.5-1% of all extragenital sites. Correct diagnosis is challenging and commonly missed, but once a diagnosis has been made, the recommended management is surgical excision. We are reporting a case of primary umbilical endometriosis in a 31-year-old nulliparous patient, who presented with an umbilical mass of one year duration. Histopathology confirmed the diagnosis of endometriosis and the mass was widely excised.

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endometriosis

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europepmc
last seen: 2026-06-11T06:19:48.454388+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-05-13T22:20:37.704673+00:00
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