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, …
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 …