BACKGROUND: Magnetic resonance cholangiopancreatography (MRCP) is a new noninvasive diagnostic method for pancreaticobiliary (PB) imaging without endoscopy, sedation, or iodinated contrast. The purpose of this study was to evaluate the ability of MRCP to depict pancreatic and biliary ductal anatomy compared to that of endoscopic retrograde cholangiopancreatography (ERCP) and to evaluate the ability of MRCP to accurately diagnose @entity5 . METHODS: Twenty @entity1 had MRCP, and 17 also had ERCP. All studies were read prospectively by experienced reviewers blinded to other imaging data. Pathologic diagnosis was made in all @entity1 . RESULTS: Bile duct dilatation seen by ERCP in 14 of 17 @entity1 was correctly identified by MRCP in all 14 @entity1 , and normal ducts were correctly identified by MRCP in the other 3 @entity1 . The pancreatic duct was visible on MRCP in the pancreatic head in 17 of 20 @entity1 , the body in 17 of 20 @entity1 , and the tail in 15 of 20 @entity1 . At ERCP, @entity384 was present in 11 cases and was identified by MRCP in 10 of them. Eighteen of 20 @entity1 had @entity5 . MRCP indicated PB @entity5 in 19 @entity1 . Seventeen of these 19 @entity1 had histologically confirmed @entity5 pathologically, whereas 2 had benign pathology (both chronic @entity788 ). Among the 17 @entity1 who also had ERCP, MRCP and ERCP correctly agreed on a final diagnosis of @entity5 in 14 cases. In the three cases in which MRCP and ERCP disagreed on a final diagnosis, MRCP was correct in one and incorrect in two. CONCLUSIONS: MRCP can accurately and noninvasively delineate PB ductal anatomy and diagnose @entity5 comparably to ERCP. MRCP is an interesting new noninvasive method for evaluating @entity1 with suspected @entity5 .

Magnetic resonance cholangiopancreatography: a novel approach to the evaluation of suspected XXXX .

@entity5 :: ('MESH:D009369', 'Disease') :: ['malignant PB neoplasms', 'PB neoplasms', 'malignant neoplasms', 'malignant neoplasm', 'neoplasm'] @entity1 :: ('9606', 'Species') :: ['patients'] @entity384 :: ('MESH:D002311', 'Disease') :: ['pancreatic duct dilatation'] @entity788 :: ('MESH:D010190', 'Disease') :: ['pancreatitis']
@entity5 :: (MESH:D009369,Disease) :: ['pancreaticobiliary neoplasms']
