The bowel can be evaluated by plain radiographs, ultrasound , barium studies, computed tomography , magnetic resonance imaging , and positron emission tomography -CT. The role of abdominal radiographs is limited except in emergencies like acute intestinal obstruction or suspected gastrointestinal perforation. A chest radiograph may be useful as approximately one-fourth of GITB patients may have evidence of pulmonary TB [].
Fleischner’s sign due to patulous and gaping IC valve associated with narrowing of the terminal ileum, and Steirlin sign, which is rapid emptying of barium from the caecum to ascending colon due to irritable caecal mucosa may be seen in GITB. The other features are purse string stenosis opposite to the IC valve associated with dilated terminal ileum [].