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After a time of overstated diet prescriptions nowadays the individual nutrition of the patient with ulcer with a diet of high quality is striven for. Such a diet must guarantee the intake of an adequate quantity of calories, with regard to the main nutrient media protein, fats and carbohydrates it must be well composed and must meet the requirements of minerals, vitamins and fluid. The diet shall be varied, and more frequent smaller meals are to be recommended.

Compared with the intravenous cholangiography the infusion cholangiography is the more effective and unambiguous investigation method of the gallbladder and the bile ducts. It considerably enlarges the diagnostic possibilities in the area of the bile ducts. A serum bilirubin level of more than 2 mg/100 ml allows positive cholangiograms by means of the infusion method, but is nearly always the cause for negative findings in intravenous application. In a hypalbuminaemia lower than 3 g/100 ml, in an increase of the alkaline serum phosphatase, of the serum transaminase and a pathological retention of bromsulphalein the bile ducts cannot be demonstrated also in the infusion cholangiography. A 20% glucose solution is sufficient as solvent in the infusion cholangiography. In the negative case the cholecystography and the intravenous cholangiography may be supplemented and enlarged by application of the infusion cholangiography as a more evident method of X-ray examination.

In 26 patients with the classical clinical picture of an ulcerous colitis and in 8 healthy control persons in the course of a rectoscopy in about 15 cm depth tissue was taken bioptically and underwent an electron-microscopic investigation. Moreover, enzyme-histological examinations were performed. Summarizingly, clear references to immune-pathological processes for development and course of ulcerous colitis are the result.

On the basis of newer literature and of own experiences the author describes the present state of dietetics in diseases of the extrahepatic biliary ducts. The details of the basic diet in these diseases are discussed (nutrition of patients with limited fat and raw fibre supply). In acute cases the parenteral nutrition is to be recommended. In subacute cases, as well as before and after surgical interventions more frequently ballast-free, fully balanced peroral nutrition (cosmonautes' diet) is used. Finally the importance of the plant raw fibre for the prophylaxis of cholelithiasis is demonstrated.