Endometriosis of the Round Ligament of the Uterus

Claudio P Crispi, Claudio Peixoto Crispi, Crispi CP, de Souza CA, Caroline Alexandra Pereira de Souza, Marco Aurelio P Oliveira, Marco Aurélio Pinho Oliveira, Raquel P Dibi, Raquel Papandreus Dibi, Dibi RP, Cardeman L, Leon Cardeman, Helio Sato, Hélio Sato, Sato H, Schor E, Eduardo Schor
Journal of Minimally Invasive Gynecology · 2011 · vol. 19(1) , pp. 46–51 · doi:10.1016/j.jmig.2011.09.006 · PMID:22093490 · W2165334540
article OA: closed CC0 ⤵ 27 in-corpus citations
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⚙ AI-generated summary by claude@2026-06, 2026-06-09 ⓘ

This paper discusses endometriosis occurring in the round ligament of the uterus, a rare extra-pelvic location for the condition.

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Abstract

Study objectiveTo demonstrate the prevalence of endometriosis in the intrapelvic portion of the round ligaments of the uterus (RLUs) and to propose criteria for their excision.DesignRetrospective case series analysis of women undergoing laparoscopy for the treatment of deep infiltrating endometriosis (Canadian Task Force classification II-3).SettingTertiary referral hospital.PatientsWe evaluated 174 patients who underwent laparoscopy for the treatment of deep infiltrating endometriosis (DIE) between April 2006 and May 2009.InterventionsAll patients underwent laparoscopy for the treatment of DIE and had their RLUs removed when there was shortening, deviation, or thickening. After removal, the RLUs were sent for histopathologic analysis to verify the presence or absence of endometriosis.Measurements and main resultsThe prevalence of endometriosis in the RLUs and the association between the macroscopic alterations and the anatomic pathology results were determined. After the identification of macroscopic alterations, 1 or both RLUs (for a total of 42) were removed from 27 of the 174 patients who underwent laparoscopy. The positive predictive value (PPV) of the macroscopic criteria proposed for endometriosis of the RLU was 83.3% (95% confidence interval [CI] = 72.1%-94.5%), with 35 positive RLUs out of the 42 that were excised. The prevalence of endometriosis of the RLU was 13.8% (95% CI = 8.7%-18.9%), with 24 patients having a positive histopathologic examination result for endometriosis.ConclusionsThe prevalence of RLU endometriosis in patients with DIE was 13.8%, which emphasizes that a rigorous evaluation of this structure must be part of the routine surgical treatment of patients with endometriosis.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Endometriosis Musculoskeletal Diseases Musculoskeletal Diseases Round Ligament of Uterus Endometriosis Endometriosis Female Humans Laparoscopy Musculoskeletal Diseases Musculoskeletal Diseases Predictive Value of Tests Prevalence Retrospective Studies Round Ligament of Uterus Round Ligament of Uterus

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