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Diagnostic Value Of Endoscopic Ultrasonography For Common Bile Duct Dilatation Without Identifiable Etiology Detected From Cross-Sectional Imaging, Nonthalee Pausawasdi, Penprapai Hongsrisuwan, Lubna Kamani, Kotchakon Maipang, Phunchai Charatcharoenwitthaya
Diagnostic Value Of Endoscopic Ultrasonography For Common Bile Duct Dilatation Without Identifiable Etiology Detected From Cross-Sectional Imaging, Nonthalee Pausawasdi, Penprapai Hongsrisuwan, Lubna Kamani, Kotchakon Maipang, Phunchai Charatcharoenwitthaya
Section of Gastroenterology
Background/aims: Endoscopic ultrasonography (EUS) is warranted when cross-sectional imaging demonstrates common bile duct (CBD) dilatation without identifiable causes. This study aimed to assess the diagnostic performance of EUS in CBD dilatation of unknown etiology.
Methods: Retrospective review of patients with dilated CBD without definite causes undergoing EUS between 2012 and 2017.
Results: A total of 131 patients were recruited. The mean age was 63.2±14.1 years. The most common manifestation was abnormal liver chemistry (85.5%). The mean CBD diameter was 12.2±4.1 mm. The area under the receiver operating characteristic curve (AUROC) of EUS-identified pathologies, including malignancy, choledocholithiasis, and benign biliary stricture …