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Primary umbilical endometriosis masquerading as strangulated umbilical hernia: a diagnostic pitfall.

Primary umbilical endometriosis (Villar's nodule) is a rare entity, representing 0.5%-1% of all endometriosis cases. We report a 37-year-old multiparous woman presenting with a 7-day history of umbilical pain, swelling, …

Published: June 19, 2026, midnight
Primary Cutaneous Endometriosis of the Umbilicus: A Diagnostic Challenge.

Umbilical endometriosis, or Villar's nodule, is a rare form of cutaneous endometriosis in which ectopic endometrial tissue involves the umbilical skin. It may occur without any history of abdominal or …

Published: May 21, 2026, midnight
Primary Periumbilical Endometriosis Mimicking Umbilical Hernia in a 37-Year-Old Woman: A Report of a Rare Case.

This case report describes a rare presentation of primary periumbilical endometriosis, also known as Villar's nodule, highlighting the diagnostic difficulties and the importance of maintaining clinical suspicion. A 37‑year‑old woman …

Published: May 9, 2026, midnight
A Case of Spontaneous Umbilical Endometriosis.

Umbilical endometriosis, also known as Villar's nodule, is an atypical manifestation of endometriosis. We present a rare case of spontaneous Villar's nodule in a young, nulliparous woman with no history …

Published: April 22, 2026, midnight
Umbilical reconstruction for endometriosis: A case report.

Umbilical endometriosis is a rare form of cutaneous endometriosis characterized by the presence of ectopic endometrial tissue in the umbilical skin. This condition may arise spontaneously or secondary to surgical …

Published: Sept. 8, 2025, midnight
Primary Umbilical Endometriosis: A rare extra-pelvic presentation.

Published: Aug. 14, 2025, midnight
Brown Umbilical Nodule: A Case of Primary Cutaneous Endometriosis.

Endometriosis is a common condition in which endometrial glands and stroma are implanted outside the uterine cavity. Rarely, the skin can be involved.

Published: Aug. 1, 2025, midnight
Surgical exploration of primary umbilical and inguinal canal endometriosis: a cutaneous conundrum.

Primary cutaneous endometriosis and inguinal endometriosis (IEM) are rare, representing less than 1% and under 0.6% of extragenital and extrapelvic endometriosis, respectively. Co-occurrence in the same patient is exceedingly rare, …

Published: March 3, 2025, midnight
Endometriosis presenting as catamenial pneumothorax, pneumopericardium and pneumoperitoneum.

A nulliparous woman in her late 30s with a history of pericardial patch repair for atrial septal defect and completed treatment for pulmonary tuberculosis 9 years ago presented with chest …

Published: Jan. 7, 2025, midnight
Beyond the pelvis: A case of umbilical endometriosis.

Umbilical endometriosis is defined as an ectopic localization of functional endometrium at the level of the umbilicus. It is a rare condition, representing 0.5% to 1% of all extragenital endometriosis …

Published: Nov. 30, 2024, midnight
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