Renal endometriosis mimicking complicated cysts of kidney: report of two cases

article OA: diamond CC0 ⤵ 11 in-corpus citations

Abstract

Endometriosis is a common gynecologic disorder characterized by ectopic endometrial tissue growth outside the uterine cavity. Although usually occurring in pelvic organs, endometrial lesions may involve urinary tract. Renal endometriosis is extremely rare and it has only occasionally been reported in the past. We report two cases of patients with renal cystic lesions, incidentally found at imaging techniques during oncologic follow-up for gastric sarcoma and melanoma, initially misinterpreted as complicated haemorrhagic cysts and then histologically characterized as renal localizations of extragenital endometriosis.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Kidney Diseases, Cystic Adult Diagnosis, Differential Endometriosis Female Humans Kidney Diseases Kidney Diseases Kidney Diseases, Cystic Kidney Diseases, Cystic

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References (34)

Cited by (11)

Source provenance

europepmc
last seen: 2026-06-13T06:22:48.782012+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-05-13T22:20:01.354358+00:00
License: CC0 · commercial use OK