How to improve MRI accuracy in detecting deep infiltrating colorectal endometriosis: MRI findings vs. laparoscopy and histopathology

Anna Lia Valentini, Benedetta Gui, Maura Miccò, Maria Carla Mingote, Valeria Ninivaggi, Maurizio Guido, Gian Franco Zannoni, Eleonora Marrucci, Lorenzo Bonomo
La Radiologia medica · 2013 · vol. 119(5) , pp. 291–297 · doi:10.1007/s11547-013-0336-1 · PMID:24297583 · W2064489942
article OA: closed CC0 ⤵ 14 in-corpus citations
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⚙ AI-generated summary by claude@2026-06+body, 2026-06-07 ⓘ

This study found that combining MRI findings of nodules and hypointense plaque-like lesions with a "radial and retracting shape" significantly improves accuracy in diagnosing deep infiltrating colorectal endometriosis.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-07 ⓘ

This retrospective study evaluated whether combining specific MRI findings improves diagnostic accuracy for deep infiltrating colorectal endometriosis (DICE) in women undergoing MRI for suspected disease, with inclusion limited to those who also had laparoscopy, and comparison of MRI interpretations against laparoscopy and/or histopathology as gold standards. Two radiologists assessed images using two diagnostic criteria: the first based on the presence of nodules or hypointense plaque-like lesions with adjacent fat-plane involvement and bowel wall thickness, without considering a “radial and retracting” semicircular configuration, and the second adding that “radial and retracting shape.” Agreement was poor with the first criterion (51.5%, k=0.20) but markedly improved with the second criterion (96.9%, k=0.93), and the authors report that likelihood ratios did not improve the diagnostic value in the first criterion but did with the second. This paper is centrally about endometriosis—specifically improving MRI-based detection of deep infiltrating colorectal endometriosis using an association of MRI findings and laparoscopy/histopathology validation.

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Condition tags

endometriosis

MeSH descriptors

Colonic Diseases Endometriosis Image Enhancement Laparoscopy Magnetic Resonance Imaging Rectal Diseases Adult Colonic Diseases Colonic Diseases Colonic Diseases Contrast Media Endometriosis Endometriosis Endometriosis Female Humans Image Enhancement Imaging, Three-Dimensional Magnetic Resonance Imaging Meglumine

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