Aim: To assess the diagnostic value of 3D MRCP in evaluation of cases with biliary obstruction. Patients and Methods: 20 patients with clinical suspicion of biliary obstruction were encountered in the study and subjected to imaging assessment including MRI of the abdomen and 3D MRCP. Results: Our results showed that the commonly affected age group was the group between 28: 38 years old, males were affected more than females, The most common age group in males was 38 : 47 years, while the most

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... mmon age group in females was 29 : 40 years. The most common clinical findings in our patients was jaundice and biliary colic. Increased total and direct bilirubin was the main laboratory findings in our study. According to the cause of biliary obstruction, 4 patients had benign biliary obstruction (20%), 5 patients had malignant biliary obstruction (25%), 5 patients had calcular obstruction (25 %), and 6 patients had post-cholecystectomy biliary complications (30%). Conclusion: 3D MRCP has a main role in evaluation of biliary obstruction and should follow US diagnosed biliary obstruction, replacing the diagnostic role of ERCP and staging role of CT in malignant biliary obstruction.