Review: magnetic resonance cholangiopancreatography is accurate for diagnosing biliary disease.

S t u d y s e l e c t i o n a n d a s s e s s m e n t Studies were selected if they provided sufficient information to construct 2 × 2 contingency tables of MRCP results by disease status and if MRCP was compared with a reasonable single or composite gold standard. Acceptable single gold standards were endoscopic retrograde cholangiopancreatography (ERCP); endoscopic ultrasonography (EUS); intraoperative, intravenous, or percutaneous transhepatic cholangiography; and surgical exploration. Acceptable composite gold standards were also allowed. Exclusion criteria included studies of patients with a particular diagnosis who were having MRCP and studies in which only patients with positive results on MRCP had other techniques done to confirm diagnosis. Studies were assessed for quality.