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KMID : 0359020120450030328
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Korean Journal of Gastrointestinal Endoscopy
2012 Volume.45 No. 3 p.328 ~ p.330
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Endoscopic Ultrasonography in the Evaluation of Indeterminate Biliary Strictures
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Mark Topazian
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Abstract
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Biliary strictures may be due to a variety of benign and malignant processes. Imaging with endoscopic ultrasonography (EUS) often suggests the diagnosis, but is usually not definitive. EUS-guided fine needle aspiration (FNA) facilitates the diagnosis of extrahepatic biliary strictures, although peritioneal metastases due to needle tract seeding may occur after EUS-FNA of cholangiocarcinoma. In addition to diagnosis of strictures, EUS may play an important role in staging of cholangiocarcinoma.
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KEYWORD
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Endoscopic ultrasound, Pathologic constriction, Fine-needle biopsy, Bile ducts
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