![]() ![]() ![]() 3, 8, 9 None of the imaging modalities alone could qualify as gold standard for evaluation of all of the aspects of UC. 2–7 This issue emphasizes the importance of a noninvasive and accurate diagnostic method in clinical practice. Colonoscopy is the gold standard for diagnosis of this disorder but it is an invasive procedure and the risk of its complications such as perforation rising during acute presentation of disease. 1, 2 The diagnosis of US is based on combination of clinical, colonoscopy, laboratory and imaging findings. Ulcerative colitis (UC) is a chronic inflammatory bowel disorder with characteristic courses of flare up and remission. Keywords: ultrasonography, ulcerative colitis, colonoscopy, sensitivity, specificity Introduction The colonic wall thickness in new cases of UC (6.4☑.3mm) was significantly more than wall thickness among disease flare up (5.5☑.7mm) (P=0.02) and also average colon thickness in UC group (average 5.9mm, range 2-9mm) was significantly more than control group (average 3.3mm, range 3-4mm).Ĭonclusion: The findings of current study prove that ultrasonography is not an ideal tool for evaluation of UC patients because its results could affect by several factors such as BMI and region of involvement. The sensitivity for diagnosing new cases of UC and pancolitis were 86.36% and 76.67% respectively and these figures were less among cases with BMI more than 25. In all of the situations the specificity was 100%. Results: Ultrasonography sensitivity for diagnosing of moderate to severe UC in comparison with colonoscopy was between 52.56 to 86.36% based on different factors such as new onset or active disease, BMI, gender and region of involvement. All of the participants obtained a Trans abdominal ultrasonography after 8hours fasting and evaluated for colonic thickness in any involved region, loss of compressibility, peristaltic movement, mesenteric lymph nodes enlargement and presence or absence of ascites, fat stranding or stratification. The participants divided into 2 groups: group A as 64 UC patients (flare or new case) and 50 participants as control group who attend for colorectal cancer screening or evaluation of rectorrhagia. Method: In this prospective study, 114 participants who attended in Ahvaz Imam Hospital during March 2014 to February 2015 included. DOI: 10.15406/ghoa.201Īim: To evaluate diagnostic accuracy of ultrasonography in comparison with colonoscopy as gold standard for diagnosing of ulcerative colitis (UC). Diagnostic accuracy of ultrasonography in comparison with colonoscopy for diagnosing of ulcerative colitis. ![]() ![]() Please type the correct Captcha word to see email ID.ġResearch Center for Infectious Diseases of Digestive System, Ahvaz Jundishapur University of Medical Sciences, IranĢAssistant professor of Radiology, Department of radiology, Ahvaz Jundishapur University of Medical Sciences, IranģAhvaz Imam Hospital, Ahvaz Jundishapur University of Medical Sciences, IranĬorrespondence: Dr Pezhman Alavinejad, Assistant professor of Gastroenterology and hepatology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran, Tel +98 9, Fax + 98 6Ĭitation: Hajiani E, Gharibvand MM, Alavinejad P, et al. Regret for the inconvenience: we are taking measures to prevent fraudulent form submissions by extractors and page crawlers. ![]()
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