Positive contrast: T1 hypersignal

 

 

  • Gadolinium chelates: Magnevist enteral®, Gadolite®
  • Manganese chelates: Lumenhance®
  • Ferric amonium citrate: Ferriseltz®

Negative contrast: T2 hyposignal

 

 

  • SPIO: Lumirem®, Gastromark®
  • Barium sulfate
  • Blueberry or pineapple juice