虫垂神経腫による慢性腹痛に対する虫垂切除術
Jordana Herblum1, Erin Kennedy2, Andrea Covelli2
1Department of Internal Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
ACG case reports journal
|February 23, 2026
まとめ
虫垂に発生した稀な神経腫が、虫垂炎に似た右下腹部痛を繰り返す原因となった。虫垂切除術により症状は解消し、原因不明の腹痛の診断における重要性が示唆された。
科学分野:
- 消化器病学
- 外科病理学
背景:
- 再発性の右下腹部痛は急性虫垂炎に似ることがある。
- 機能性腹痛症候群は、精査が無効であった後の持続性腹痛の一般的な診断である。
- 虫垂神経腫は虫垂の稀な腫瘍である。
研究 の 目的:
- 再発性の右下腹部痛として現れる虫垂神経腫の症例を報告すること。
- 虫垂炎が疑われる症例における虫垂神経腫の診断上の課題を強調すること。
- 持続性で原因不明の右下腹部痛に対する外科的介入の治療的役割を強調すること。
主な方法:
- 持続性の右下腹部痛を有する35歳男性の症例報告。
- 画像検査や大腸内視鏡検査を含む診断ワークアップが行われたが、結論は得られなかった。
- 持続的な症状に対する診断的腹腔鏡検査と虫垂切除術。
主要な成果:
- 精査が無効であった後の機能性腹痛症候群の初期診断。
- 組織病理学的検査により虫垂神経腫が明らかになった。
- 虫垂切除術後の右下腹部痛の完全な消失。
結論:
- 虫垂炎が疑われるが画像検査で陰性の場合、特に原因不明の右下腹部痛の鑑別診断として虫垂神経腫を考慮すべきである。
- 保存的治療に反応しない重度の持続性右下腹部痛を有する患者には、試験的開腹手術が有益である可能性がある。
- 虫垂神経腫の早期診断と外科的治療により、症状の完全な消失につながる可能性がある。
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