Clinical and pathogenetic aspects of intestinal disorders have recently become of greater interest, partly due to the increasing incidence of intestinal disorders. However, our expanded knowledge, brought about by developing molecular biological sciences, provokes the need for more frequent discussion. Nowadays a wider range of diagnostic tools is available. Beside more sophisticated laboratory methods, the development of modern radiological techniques has opened new dimensions to diagnostic measurement. At the same time therapeutic methods have undergone numerous changes. New aspects are...