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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Gallstone ileus ： ウィキペディア英語版 Gallstone ileus Gallstone ileus is a rare form of small bowel obstruction caused by an impaction of a gallstone within the lumen of the small intestine. Such a gallstone is hypothesized to enter the gut lumen via cholecysto-enteric fistula. Large stones, >2.5 cm in diameter, are thought to predispose to fistula formation by gradual erosion through the gallbladder fundus.〔 Most commonly, obstruction occurs at the distal ileum (i.e. ileocecal valve), but can occur at almost any other location in the GI tract.〔Classically there is obstruction/impaction about 60 cm proximal to ileocaecal valve.〔 The name "gallstone ileus" is a misnomer because an ileus is, by definition, a ''non-mechanical'' small bowel motility failure. ==Diagnosis== Diagnosis of gallstone ileus requires radiographic studies. Classic findings of pneumobilia (air within the biliary tree), small bowel obstruction, and radiolucent gallstone on abdominal plain films is known as Rigler's triad.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gallstone ileus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.