Last reviewed 01/2018

  • CXR
  • Mantoux test
  • examination of sputum, faeces, urine, and gastric aspirates
  • barium studies: examination of large and small bowel may show thickening, ulceration and stricture formation with a similar pattern to that seen in Crohn's disease
  • colonoscopy and biopsy
  • laparotomy: this may be necessary to confirm the diagnosis