Villar’s nodule: A case report and systematic literature review of endometriosis externa of the umbilicus

Rahi Victory, Michael P Diamond, D Alan Johns
Journal of Minimally Invasive Gynecology · 2007 · vol. 14(1) , pp. 23–32 · doi:10.1016/j.jmig.2006.07.014 · PMID:17218225 · W2042037929
review OA: closed CC0 ⤵ 155 in-corpus citations
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⚙ AI-generated summary by claude@2026-06, 2026-06-06 ⓘ

This case report and literature review describes endometriosis externa of the umbilicus, also known as Villar's nodule, detailing its clinical presentation, diagnosis, and management.

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Condition tags

mesh:D004715mesh:D017699endometriosis

MeSH descriptors

Endometriosis Hemorrhage Menstrual Cycle Pelvic Pain Umbilicus Endometriosis Endometriosis Female Hemorrhage Humans Middle Aged Ovariectomy Pelvic Pain Pelvic Pain Sterilization, Tubal Umbilicus Umbilicus

Citation neighborhood

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References (100)

Cited by (50)

Source provenance

europepmc
last seen: 2026-06-04T01:30:01.192114+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-05-13T22:15:06.633332+00:00
License: CC0 · commercial use OK