Meiho University Institutional Repository:Item 987654321/2148
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    题名: Endosonography for suspected obstructive jaundice with no definite pathology on ultrasonography
    作者: Chien-Hua Chen;Chi-Chieh Yang;Yung-Hsiang Yeh;Tsan Yang;Tieh-Chi Chung
    关键词: choledocholithiasis;endosonography;obstructive jaundice;pancreatobiliary malignancy;ultrasonography
    日期: 2013
    上传时间: 2013-10-02T07:09:25Z (UTC)
    摘要: Background/Purpose
    Ultrasonography (US) cannot demonstrate all the etiologies of biliary tract dilatation in patients with jaundice. Thus, we evaluated the etiologic yield of endosonography (EUS) for suspected obstructive jaundice when no definite pathology was found on US. Additionally, we sought to identify the predictors of the most common etiologies.
    Methods
    We performed a retrospective review of 123 consecutive patients who had undergone EUS for suspected obstructive jaundice when no definite pathology was identified on US.
    Results
    The most common diagnoses included no pathological obstruction (n = 43), pancreatobiliary malignancy (n = 41), and choledocholithiasis (n = 28). Pancreatobiliary malignancy was associated with common bile duct (CBD) dilatation, and fever and elevated alanine aminotransferase were predictors of choledocholithiasis (p < 0.05). The accuracy of EUS was 95.9% (118/123) for overall cause of suspected obstructive jaundice, 100% (40/40) for no pathological finding, 100% (23/23) for ampullary cancer, 100% (13/13) for pancreatic cancer, 75% (3/4) for CBD cancer, and 92.9% (26/28) for choledocholithiasis, respectively. Besides the two patients with focal chronic pancreatitis misdiagnosed as with pancreatic cancer, EUS missed the lesions in one CBD cancer patient and two patients with choledocholithiasis. The overall accuracy of EUS in ascertaining pancreatobiliary malignancy and choledocholithiasis was comparable (97.6%, 40/41 vs. 92.9%, 26/28; p > 0.05).
    Conclusions
    Marked CBD dilatation (≥12 mm) should remind us of the high risk of malignancy, and the presence of CBD dilatation and fever is suggestive of choledocholithiasis. Negative EUS findings cannot assure any pathological obstruction in patients with clinically suspected obstructive jaundice.
    關聯: Journal of the Formosan Medical Association
    显示于类别:[健康事業管理系 ] 期刊論文

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