Differentials based on degree of bowel wall enhancement

  • Avid
    • Ischemia 
    • Inflammatory bowel disease
    • Malignancy
    • Acute infection
  • Moderately homogenous 
    • Malignancy
    • Lymphoma
    • Chronic inflammatory bowel disease
    • Chronic ischemia
  • Heterogeneous
    • Malignancy
    • Lymphoma (usually after treatment)
    • Infiltration (endometriosis)
  • Layered enhancement (target sign)
    • Inflammatory bowel disease
    • Infection
    • Vasculitis
    • Ischemia
    • Graft versus host disease
    • Radiation colitis
  • Reduced
    • Ischemia