•      Congenital disorder (birth defects)

•      Defecation disorders (diarrhoea, constipation)

•      Infectious intestinal inflammations (colitis/ enterocolitis)

•      Non-specific intestinal inflammations (primary)

–     M. Crohn

–     Colitis ulcerosa – proktokolitis

•      Non-specific intestinal inflammations (secondary)

–     ischaemic colitis

–     post-radiation colitis

–     post-antibiotic colitis

•      Diverticulosis of the colon

•      Tumours of the colorectum

–     benign

–     malignant