Most common Morphological difference between Ulcerative Colitis and Crohn's disease:: (A) Crypt abscess, (B) Diffuse polyps, (C) Mucosal edema, (D) Lymphoid aggregates
Answer is A. Ans. (a) Crypt abscessRef: Bailey and Love 27th Edition Page 1268 Table, Surgery Sixer 3rd Edition page 429This question is asked based on a Table in Bailey and Love FeatureUlcerative ColitisCrohn's DiseaseRectumAlways involvedOften SparedPerianal lesionsRareCommonStrictures in BowelRareCommonFistulasRareCommonGranulomasABSENTCommonFissuresABSENTCommonCrypt abscessCommonRareThe same question if had choice as granuloma, go with granuloma because very rarely Crypt abscess may be seen in CD also.