[Endoscopic retrograde ileography (ERI). A contribution to the endoscopic-radiological investigation of the ileocecal region].

Following high colonoscopy, a catheter was introduced into the caecum in 16 patients and contrast material and air were injected. In ten patients it proved possible to obtain selective double contrast demonstration of the terminal ileum and, in two patients, a single contrast examination was obtained. In four patients there was no reflux, but two of these had severe and extensive stenoses of the terminal ileum.