Intraureteral endometriosis imitating intraureteral carcinoma

Alexandar Tzankov, Gregor Mikuz, Andreas Gschwendtner
In: Electronic Journal of Pathology and Histology · 2001 · vol. 7(2) , pp. 06 · doi:10.3233/eph-2001-7_2_06 · W1632832967
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⚙ AI-generated summary by claude@2026-06, 2026-06-09 ⓘ

This case report describes a 48-year-old female with intraureteral endometriosis mimicking carcinoma, leading to nephrectomy, with histopathology revealing submucous endometrial islets and atypia in the ureteral lumen.

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Abstract

Endometriosis involves occasionally the urinary tract. Ureter obstruction is a rare complications of this condition. We report a 48 years old female patient suffering from intermittent hematuria and unilateral hydronephrosis. As X-ray and ultrasound examination revealed obstruction at the middle part of the left ureter, which was highly suspicious for a carcinoma, a nephrectomy was performed. The microscopic examination of the specimens revealed submucous polypoid endometroid islets in the ureteral lumen. Extragenital intraureteral endometriosis was diagnosed. The surface epithelium covering the endometroid isles showed severe atypia. Pathologist could be afforded to distinguish this lesion from polypoid growing urothelial tumors and so they should be aware of such diagnostic pitfalls.

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Condition tags

endometriosis

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

References (9)

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last seen: 2026-06-10T17:14:06.276822+00:00
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