2Thomas J,Carenza J,McFarland E.Computed tomography colonography (virtual colonoscopy):climax of a new era of validation and transition into community practice.Clin Colon Rectal Surg,2008,21(3):220-231.
6Fujiya M, Maruyama M. Small depressed neoplasms of the large bow- el: radiographic visualization and clinical significance[ J]. Abdom Imaging, 1997,22 ( 3 ) : 325 - 331.
7Fruhmorgen P, Laudage G, Matek W,et al. Ten years of colonoscopy [ J]. Endoscopy, 1981,13(2) :162 - 168.
8Gelfand DW. Gastrointestinal radiology : a short history and predictions for the future[J]. AJR, 1988,150(6) :717 -719.
9Blakeborough A, Sheridan MB, Chapman AH. Complications of barium enema examinations: a survey of UK Consultant Radiologist 1992 to 1994[J]. Clin Radiol, 1997,52(5) :142 - 148.
3Kim A Y, Ha H K. Evaluation of suspected mesenterie isehemia efficacy of radiologic studies [J]. Radiol Clin North Am,2003, 41 (2):327-342.
4Angelelli G, Scardapane A, Memeo M, et aL Acute bowel ische- mia.. CT findings[J]. Eur J Radiol,2004, 50(1) :37-47.
5Horton K M, Fishman E K. Multidetector CT angiography in the diagnosis of mesenteric ischemia[J]. Radiol Clin North Am, 2007, 45(2):275-288.
6Lefkovitz Z, Cappell M S, Lookstein R, et al. Radiologie diag- nosis and treatment of gastrointestinal hemorrhage and ischemia [J]. Med Clin North Am, 2002,86(6):1357-1399.
7Li K C. MR angiography of abdominal ischemia[J]. Semin Ul- trasound CT MRt, 1996, 17(4):352-359.
