cqvip:Objectives-The aim of this study was to assess the accuracy of water enema multi-row computed tomography for detecting clinically suspected colorectal tumor.Patients and methods-A water enema multi-row computed tomography(WE-MR-CT)was performed in 128 consecutive patients(71 women,mean age 67.7 years)referred for suspicion of colorectal cancer.We defined at least one centimeter size of the lesion as the threshold of detection.The results of WE-MR-CT were compared with the diagnosis obtained by colonoscopy,pathology or clinical follow-up.Results-The overall sensitivity and specificity of water enema multi-row CT in identifying patients with colorectal lesions were 95.5%and 93.5%,respectively.The negative predictive value was 98.8%for a 10-mm threshold lesion size.WE-MR-CT allowed identifying synchronous lesions in three cases.Conclusions-WE-MR-CT can accurately detect supracentimetric colorectal tumors.The performance of this technique should be further evaluated in prospective studies.
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