A Case of Perianal Endometriosis Demonstrated by Ultrasonography and MRI

Yoshiro Araki, Ryuzaburo Kagawa, Hiroshi Yasui, Masahiro Tomoi
In: Nippon Daicho Komonbyo Gakkai Zasshi · 2016 · vol. 69(4) , pp. 227–230 · doi:10.3862/jcoloproctology.69.227 · W2331025919
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Ultrasonography and MRI identified a perianal endometriosis lesion in a 40-year-old woman's episiotomy scar, confirmed by pathology, suggesting mechanical implantation during childbirth.

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Abstract

症例は40歳の女性．2回の経膣分娩と会陰切開歴あり．肛門部の会陰切開痕に月経時に痛みを伴う硬結を認め，痔瘻を疑われ当院を紹介された．肛門部超音波検査ならびにジャックナイフ位MRI検査で10時方向の浅外肛門括約筋の外側尾側部に病変を認めた．外科的に完全に切除したが，肛門括約筋形成術は施行しなかった．病理は子宮間質と子宮腺管を認め，子宮内膜症であった．術後便失禁は認めなかった．会陰切開時の機械的移植による発生機序が想定された．鑑別診断や肛門括約筋迷入の評価に超音波検査とMRIは有用である．

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Condition tags

endometriosis

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References (12)

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