Radiological signs of crohn’s disease:
Correct Answer: String sign of cantor
Description: Ans, A. (String sign of cantor) Characteristic Radiological features of Crohn's disease or Regional Enteritis:Terminal ileum is the MC siteGranularity' & asymmetrical involvement with skip lesionUlcer: Apthous ulcer & fissure ulcerCobblestone pattern (serpiginous longitudinal + transverse ulcer separated by areas of edema)Rigidity' of mesenteric boarder and pseudosacculation of antimesenteric boarder (Omega sign)Wide gapping of bowel loops due to thickening of bowel wallStricture : long segment (string .sign if cantorDoule Halo configuration is seen on CT scan (Radiology review manual by wolfgang Dahnert 5th/809) Characteristic features of ulcerative colitisCollar button ulcerDouble Trackingflongitudinal submucosal ulceration over several centimeter)Symmetrical involvement of colonRectum involved in 95% of casesThumbprinting due to mucosal oedemBlunting of haustral fold (Pipestem appearance)Inflammatory palypBackwash ileitis: In ulcerative colitis when whole colon involved, the inflammation extends 1-2 cm into terminal ileum in 10-20% cases called Backwash ilitis .
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Radiology
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