All of the following are true regarding Crohn disease except: March 2008
Ans. B: Inflammation limited to mucosaFeatures of Crohn disease:Bowel region: Ileum, colonDistribution: skip lesionStricture formation: YesWall appearance: thickInflammation: transmuralUlcers:deep, knife-likeLymphoid reaction: markedFibrosis: markedSerositis: markedGranuloma formation: Yes (35%)Fistula/sinuses: YesFat/vitamin malabsorption: YesRecurrence after surgery: CommonToxic megacolon: No
Skip lesions
Inflammation limited to mucosa
Recurrence common after surgery
Fistulae formation is seen