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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
Resection of Diffuse Leiomyomas Related to Morcellation: A Rare Case Report.

We report the case of a 42-year-old woman with a history of uterine fibroids treated with robotic myomectomy 12 years prior who presented with extensive uterine fibroids, perihepatic lesions, and …

Published: May 30, 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
Challenging the paradigm that neonatal uterine bleeding represents the first menstrual episode.

Neonatal uterine bleeding (NUB) has been hypothesized as a relatively common early-life event potentially linked to the later development of endometriosis through retrograde menstruation. However, its true prevalence and biological …

Published: May 18, 2026, midnight
Umbilical endometriosis.

Published: May 15, 2026, midnight
Percutaneous image-guided cryoablation of umbilical endometriosis: safety, feasibility, clinical, and imaging outcomes.

To evaluate the safety, feasibility and imaging outcomes of percutaneous image-guided cryoablation as a minimally invasive treatment for umbilical endometriosis (UE).

Published: May 11, 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
Comparative outcomes of robotic single-port vNOTES versus robotic-Xi assisted single-incision transumbilical surgery for hysterectomy.

This study was to evaluate the safety and feasibility of robotic single-port transvaginal natural orifice transluminal endoscopic surgery (RSP-vNOTES) compared with robotic Xi-assisted single-incision transumbilical surgery (RXi-SITS) for hysterectomy.

Published: May 8, 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 port-site endometriosis: a case presentation and narrative review of the literature.

Umbilical port-site endometriosis is a rare form of abdominal wall endometriosis (AWE), especially following non-gynecologic surgeries. Diagnosing AWE is challenging because it mimics other abdominal wall masses.

Published: April 9, 2026, midnight
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