A Case of Intestinal Endometriosis Treated with Laparoscopic-assisted Sigmoid Colon Resection and Suspected of Malignancy Intraoperatively

In: Nippon Daicho Komonbyo Gakkai Zasshi · 2023 · vol. 76(8) , pp. 533–537 · doi:10.3862/jcoloproctology.76.533 · W4385297937
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AI-generated summary by claude@2026-06, 2026-06-08

A 45-year-old woman with abdominal pain and bloody stool underwent laparoscopic-assisted sigmoid colon resection for suspected malignancy, which was pathologically diagnosed as intestinal endometriosis without malignant findings.

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Abstract

症例は45歳,女性.腹痛および血便を主訴に前医を受診した.下部消化管内視鏡検査でS状結腸に腫瘤を認め,生検ではGroup1であった.精査加療目的に当院へ紹介となった.生検および画像検査では確定診断に至らず,診断的治療目的に手術を行った.腫瘤は左卵巣動静脈および左外側大腿皮神経と癒着しており,悪性腫瘍による浸潤の可能性も考慮して,それらを合併切除し腹腔鏡補助下S状結腸切除術(D2郭清)を施行した.病理組織診断は腸管子宮内膜症で,悪性所見は認めなかった.術後は外来にて,再発予防のホルモン療法を行っている.腸管子宮内膜症の病変は粘膜下層以深に存在することが多く,生検による術前診断率は低い.以上の要点を中心に文献的考察を加え報告する.

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endometriosis

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