二重胆嚢:症例報告と文献レビュー
Bijay Panday1, Rojan Singh Dangol1, Mandeep Dutta Joshi2
1Gandaki Medical College and Teaching Hospital, Pokhara, Nepal.
Annals of medicine and surgery (2012)
|January 7, 2026
まとめ
二重胆嚢はまれな先天性異常です。磁気共鳴胆管膵管造影(MRCP)は診断に役立ち、症候性の症例では腹腔鏡下胆嚢摘出術が好ましい外科的治療法です。
科学分野:
- 消化器病学
- 外科解剖学
- 医用画像処理
背景:
- 二重胆嚢はまれな先天性異常であり、約4000出生に1例の割合で発生します。
- これは、膀胱fellea divisa(単一の胆嚢管を持つ二葉性)または膀胱fellea duplex(別々の胆嚢管を持つ真の重複)に分類されます。
- この異常は診断上の課題を呈する可能性があり、外科的処置中に偶発的に発見されることがよくあります。
研究 の 目的:
- 症候性の二重胆嚢の症例を提示すること。
- 磁気共鳴胆管膵管造影(MRCP)の診断的有用性を強調すること。
- このまれな異常の管理における慎重な外科的計画の重要性を強調すること。
主な方法:
- 50歳男性が右季肋部痛と黄疸を呈しました。
- 診断ワークアップには超音波検査とMRCPが含まれ、単一の共通胆嚢管を持つV字型の二重胆嚢が確認されました。
- 患者は、併存感染症の医学的管理後に腹腔鏡下胆嚢摘出術を受けました。
主要な成果:
- MRCPはV字型の二重胆嚢の解剖学的構造を正確に特定しました。
- 腹腔鏡下胆嚢摘出術が成功裏に施行され、共通の胆嚢管で接続された2つの胆嚢が明らかになりました。
- 肝内胆嚢内に胆石が見つかり、術後の回復は順調でした。
結論:
- 二重胆嚢症例の外科的計画には、MRCPによる正確な術前診断が不可欠です。
- 症候性の患者には腹腔鏡下胆嚢摘出術が第一選択の治療法です。
- 胆管損傷などの合併症を防ぐためには、細心の外科手技と術中胆管造影が不可欠です。
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