Abstract
Primary umbilical endometriosis accounts for 0.5–1% of extragenital endometriosis. Clinical presentation is typical and treatment involves complete excision. It is important to consider it in differential diagnosis of an umbilical nodule.
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Dadhwal, V., Gupta, B., Dasgupta, C. et al. Primary umbilical endometriosis: a rare entity. Arch Gynecol Obstet 283 (Suppl 1), 119–120 (2011). https://doi.org/10.1007/s00404-010-1809-2
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DOI: https://doi.org/10.1007/s00404-010-1809-2