54 Magnetic Resonance Cholangiopancreatography (MRCP)

Obstruction of the biliary or pancreatic ducts (Fig. 54.1) can lead to a variety of complications including severe pain. Examining these areas to rule out the presence of an obstructing stone historically required invasive procedures such as endoscopic retrograde cholangiopancreatography (ERCP). Magnetic resonance cholangiopancreatography (MRCP) is a simple, noninvasive MR technique used to investigate the biliary and pancreatic systems as well as surrounding organ systems.

MRCP studies begin with a series of T1- or T2-weighted acquisitions used for localization as well as visualization of tissues surrounding the ducts in question. This is demonstrated in Fig. 54.2A

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