Urinary endometriosis: MR Imaging appearance with surgical and histological correlations

Sillou S, S. Sillou, Poirée S, S. Poirée, Millischer AE, A. Millischer, A E Millischer, Charles Chapron, Chapron C, C. Chapron, O. Hélénon, Hélénon O
Diagnostic and interventional imaging · 2014 · vol. 96(4) , pp. 373–381 · doi:10.1016/j.diii.2014.11.010 · PMID:25556292 · W2067921227
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This paper describes the MR imaging appearance of urinary endometriosis and correlates these findings with surgical and histological results.

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Abstract

ObjectivesThe goals of the study were to describe the MR imaging features of endometriosis of the urinary tract and identify those that suggest intrinsic involvement of ureteric wall.Materials and methodsThirty-five women with proven urinary tract endometriosis and who had preoperative MR imaging between 2001 and 2011 were included retrospectively. MR images were intrepreted by one junior and one senior radiologists. To characterize the intrinsic parietal involvement, the ureteric circumference involved by the lesion of endometriosis was noted.ResultsThirty-eight ureteric and 13 bladder lesions were analyzed. They were found in association in nine women. Ureteric lesions were bilateral in seven women. Of the 38 ureteric lesions, 27 were extrinsic and 11 intrinsic at histopathological analysis. Sixteen women with extrinsic lesions and 10 with intrinsic ones were correctly identified on MR imaging. When the ureter was included less than 360° in the lesion, extrinsic involvement was confirmed in 80% of cases.ConclusionMR imaging appears to be more sensitive (91%vs 82%) but less specific (59% vs 67%) than surgery for the diagnosis of intrinsic form of ureteric location.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Endometriosis Magnetic Resonance Imaging Ureteral Diseases Ureteral Diseases Urinary Bladder Diseases Urinary Bladder Diseases Adult Endometriosis Female Humans Middle Aged Retrospective Studies Ureteral Diseases Urinary Bladder Diseases

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.

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