Strictures of small intestine

  • Crohn disease
  • Tumors 
  • Primary carcinoma
  • Carcinoid 
  • Lymphoma 
  • Invasion from other organs
  • Metastases
  • Tuberculosis
  • Actinomycosis
  • Strongyloidiasis
  • Anisakiasis 
  • Radiation injury
  • Ischemia
  • Intramural hemorrhage
  • Diverticular mass
  • Appendiceal mass
  • Endometriosis
  • Eosinophilic gastroenteritis
  • Idiopathic ulcerative enteritis
  • Behcet disease
  • NSAIDs