Fig. 2From: Enterocutaneous fistulas: a primer for radiologists with emphasis on CT and MRICT-fistulography technique, directly performed on the scanner table by manual injection through the EFO of diluted CM using a syringe and a venous cannula (A). An example of CT-fistulography (B, C) in a 69-year-old man with ulcerative colitis, previous right hemicolectomy and repeated surgery for complications: shortly after ileostomy closure (note drainage tube) low-output ECF was diagnosed, with communication between the EFO (arrowhead in B) and the opacified ileumBack to article page