[Clinical and internal medicine therapy of biliary tract diseases].

Symptomatology, clinical diagnosis and medicamentous therapy of diseases of the biliary ducts are described. The treatment with chenodesoxycholic acid is reserved to special cases of cholecystolithiasis. Its prerequisites are proved pathophysiologically. In the cholelithiasis of older patients who underwent a cholecystectomy the endoscopic papillotomy is the therapy of choice, as it is verified by several representative publications and own experiences with up to now 60 patients.