title: Large bowel segment lengths and the distribution of colorectal cancer.
abstract: Data was obtained on the average length and variability of each anatomical segment and for the whole of the large bowel from 50 patients examined by air contrast barium enema X-ray examination. Results were validated by measurements of the colon and rectum removed at autopsy in ten patients. Large bowel segment measurements from barium enema X-ray examinations were shown to be a valid basis for determining the average in vivo lengths of segments. The use of descriptive terms based on the anatomical location of colorectal carcinoma should be replaced by a more exact method of defining site distribution when recording and reporting the distribution of carcinomas and operative series and for teaching purposes.
mesh_terms: D000236:Adenoma / Q000473:pathology; D000367:Age Factors; D001466:Barium Sulfate; D003106:Colon / Q000000981:diagnostic imaging / Q000473:pathology*; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D004733:Enema; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000473:pathology; D008297:Male; D011859:Radiography; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D012737:Sex Factors
chemical_list: D001466:Barium Sulfate