Nievelstein, R.A.J.

disease bowel patient observer terminal ileum agreement 0/0/0 study ileum disease activity terminal imaging diagnosis resonance imaging interobserver agreement 3 observers resonance activity image crohn examination endoscopic value coliti bowel distension number enhancement result bowel wall enhancement interobserver flammatory bowel disease disease severity contrast accuracy finding severity hospital colon children observer 1 gastroenterology observer 2 evaluation image quality resonance enterography distension pathology ti ti segment gastroenterol endoscopy observer 3 enteroclysi bowel segment quality table degree crohn disease bowel wall stenosi assessment observer 3 results experience november thickness american society espghan medium flammatory article enterography contrast medium sensitivity copyright naspghan volume nutrition radiology specificity reproduction reading