| prediverticular disease of colon | <radiology> Longitudinal and circular muscle thickening with redundancy of folds secondary to myostatic contracture findings: saw tooth sign: crowding and thickening of haustral folds (shortening of colonic segments), superimposed muscle spasm (relieved by antispasmodics) Differential diagnosis: hemmorhage; ischemia; radiation; pseudomembranous colitis see: divericular disease of colon (12 Dec 1998) |
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