TY - CHAP M1 - Book, Section TI - Endoscopic Ultrasound A1 - Lee, Linda S. A2 - Greenberger, Norton J. A2 - Blumberg, Richard S. A2 - Burakoff, Robert PY - 2016 T2 - CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 3e AB - ESSENTIALS OF DIAGNOSISEndoscopic ultrasound (EUS) is a critical tool in cancer staging and is superior to computed tomography (CT) and positron emission tomography (PET), in locoregional esophageal cancer staging.EUS-guided fine-needle aspiration (EUS-FNA) is the most sensitive method for diagnosing pancreatic cancer; overall accuracy of EUS is similar to CT for assessing vascular invasion.EUS helps evaluate subepithelial lesions, although the yield of EUS-FNA is lower for subepithelial than for extraluminal lesions.EUS is as an important tool in diagnosing chronic pancreatitis.Diagnostic yield for EUS is similar to magnetic resonance cholangiopancreatography (MRCP) in detecting choledocholithiasis with the choice of modality guided by local availability. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1119989762 ER -