In patients with distinct inflammatory bowel disease, and in detection of complications (abscess, fistulae), MRI appears as versatile, non-invasive and accurate diagnostic instrument with therapeutical consequence. Endoscopy remains method of first choice for detection of discreet lesions and for histopathological diagnosis.

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The endoscopic diagnosis of bile duct lesions has improved over recent years through the introduction of cholangioscopy and intraductal ultrasound. Combining this with biopsies examined using routinely administered immunohistochemical markers, the diagnosis of tumors of the extrahepatic bile duct can be improved substantially. We report a rare case of a schwannoma of the bile duct causing obstructive jaundice.

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