This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
[{'content': "Most common Morphological difference between Ulcerative Colitis and Crohn's disease: \nSelect and explain. \nA. Crypt abscess, B. Diffuse polyps, C. Mucosal edema, D. Lymphoid aggregates", 'role': 'user'}, {'content': "Answer: A \nExplanation: 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.", 'role': 'assistant'}]