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Year : 2014  |  Volume : 42  |  Issue : 3  |  Page : 98-102

Preoperative evaluation of colorectal carcinoma by multislice computed tomography

Department of Radiodiagnosis, Faculty of Medicine, Tanta University, Tanta, Egypt

Correspondence Address:
Aly A Elbarbary
MD, Radiodiagnosis Department, Faculty of Medicine, Tanta University, Saeed Street, Tanta
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DOI: 10.4103/1110-1415.143562

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Objective The purpose of this study was to assess the role of multislice computed tomography (MSCT) in preoperative evaluation of colorectal carcinoma (CRC) and to compare the imaging findings with surgical/pathological findings. Patients and methods MSCT scan was performed for 44 patients with pathological proven CRC. All these patients underwent spiral computed tomography with oral and intravenous contrast administration. Surgery was subsequently performed in all patients and surgical specimens were sent for detailed pathologic analysis. The MSCT assessment was then compared with the histopathological findings for sensitivity, specificity, and accuracy. Results MSCT had 60% sensitivity and 83% specificity for assessment of local spread of disease, 69% sensitivity and 76% specificity for the evaluation of lymph nodal metastases, and 89% sensitivity and 96% specificity for hepatic metastases. In all cases, the visualized tumor growth with wide zone of resection and regional nodal chains were surgically removed. It was, however, the distant metastases that made a difference to the type of curative or palliative surgery planned, and in this study spiral computed tomography had 92% accuracy for detection of hepatic metastases. Conclusion MSCT has a significant role in preoperative evaluation and subsequent management of CRC.

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