[The contribution of x-ray computed tomography in acute pancreatitis].

In acute pancreatitis. CT realize the best morphological examination not only for pancreas but also for extrapancreatic spread. However, ultrasonography is necessary for biliary lithiasis detection. Prognostic value of CT findings remains controversial and further studies are needed to clarify this problem. CT also permits to survey evolution and to detect eventual complications. Interventional CT, consisting in single-step needle aspiration or catheter drainage, allows in selected cases to avoid an unnecessary surgery.