Integrated Problems Radiology: Right Upper Quadrant Pain

Dilated CBD with distal stone

Normal CBD

By using strong fat suppression and strong T2 weighting, you can produce an image that looks like an ERCP (endoscopic retrograde cholangio pancreatogram-an invasive procedure in which contrast is injected into the biliary tree from a catheter inserted from the duodenum). These images can be displayed in a rotating movie format as shown. Unlike ERCP, interventions cannot be performed during MRCP, since there are no instruments inside the patient.