Fleischner sign on barium study is seen in?
Answer- A. Ileocecal TBEarly involvement of the ileocaecal region manifesting as spasm and edema of the ileocecal valve.Thickening of the Iips of the ileocecal valve and/or wide gaping of the valve with narrowing of the terminal ileum ('Fleishner" or 'inveed umbrella sign') are characteristic.
Ileocecal TB
Crohn's disease
Small bowel carcinoid
Typhoid