[Sonography and retrograde endoscopic cholangiopancreatography in unclear upper abdominal complaints]

Real-time scanning is of great importance as a screening method for the examination of parenchymal organs in the pigastrium and allows rapid evaluation and exact diagnosis of lesions in the biliary duct system and the pancreas. Sonographic findings are expanded by endoscopic cholangiopancreatography (ERCP). The two methods are complementary tools.