الفهرس 
Introduction & Aim of the workOnly 14 pages are availabe for public view
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Abstract
Background: The causes of obstructive jaundice are varied, but it is most commonly due to choledocholithiasis, benign strictures of the biliary tract, pancreaticobiliary malignancies and metastatic diseases. Endoscopic Retrograde Cholangiopancreatography (ERCP) and Magnetic resonance cholangiopancreatography (MRCP) is widely used in the diagnosis and treatment of biliary and pancreatic disorders with several limitations and contraindications Endosonography (EUS) is a less-in¬vasive modality, safe and can determine exactly the nature, location and site of the biliary obstruction in relation to the ampulla of Vater. Furthermore histological nature in suspected malignant obstruction can be obtained by EUS fine needle aspiration (FNA) technique Objectives: The aim of the study is to compare diagnostic performance between EUS, MRCP, ERCP and computed tomography (CT) in benign and malignant obstructive jaundice. Methods :This study was carried on 84 patients with obstructive jaundice and were classified into : group (1): composed of 52 patients with suspected benign obstructive jaundice group (2 )composed of 32 patients with suspected malignant obstructive jaundice. CT, MRCP, ERCP, and EUS were done for all patients.