Which of the following is not a feature of Crohn’s disease?
Ref. Robbins Pathology. 9th edition. Page. 798
 
Crohns Disease

Present with skip lesions
Earliest lesion – Aphthous ulcers
Can involve whole of GIT – Form oral cavity to amus
Smoking is a risk factor
Fissure, fistula seen
Stricture seen
Gross features – Creeping pad of fat, Cobblestone appearance
Microscopy - Non caseating granuloma under microscopy, Transmural inflammation
Continous lesions
Non-caseating granulomas are present
Backwash ileitis may be associated with Crohn’s disease
Cobblestone appearance