Most common Morphological difference between Ulcerative Colitis and Crohn's disease:
Crypt abscess
Diffuse polyps
Mucosal edema
Lymphoid aggregates
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.
Small & Large Intestine