Abstract
Objective To investigate the diagnostic value of computed tomography,X ray enterography and digestive endoscopy for intestinal Crohn's disease in active and chronic phase.Methods The clinical data of 39 patients with Crohn's disease who were admitted to the Subei People's Hospital from June 2008 to August 2011 were retrospectively analyzed.All patients were divided into the active phase group (28 patients) and the chronic phase group (11 patients).The results of computed tomography,X ray enterography and digestive endoscopy of the 2 groups were compared.The accuracy of the 3 diagnostic methods was assessed by consulting the operative findings.The enumeration data were analyzed using the chi-square test.Results The incidences of intestinal wall stratification,intesitnal edema strap,severe enhancement,ulcers,intestinal stenosis,intestinal fistula,phlegmon,swollen lymph nodes and comb sign in patients with active phase of Crohn's disease were significantly higher than those with chronic phase of Crohn's disease (x2 =10.700,3.954,22.025,7.661,10.700,7.661,6.810,7.661,4.592,P＜0.05).The incidences of intestinal wall thickening,intramural fat,mild enhancement,unenhancement,inflammatory polyps,abscesses and inflammatory masses in patients with chronic phase of Crohn's disease were significantly higher than those with active phase of Chrohn's disease (x2=17.475,11.345,18.050,5.366,22.856,12.662,5.846,P ＜ 0.05).Computed tomography was effective in detecting intestinal wall thickening and extraintestinal complications of Crohn's disease,but it was difficult in demonstrating ulcers and inflammatory polyps.X ray enterography and digestive endoscopy were effective in detecting ulcers and inflammatory polyps,but they were difficult in detecting intestinal wall thickening and extraintestinal complications of Crohn's disease.Conclusion Computed tomography combined with X ray enterography and digestive endoscopy is helpful in demonstrating the presentations of Crohn's disease in active and chronic phase. Key words: Crohn's disease; Imaging examination; Diagnosis
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