Practical Reviews

MRI Best Method to Evaluate Possible Mesorectal Fascia Invasion by Rectal Cancer


Background: Rectal cancer is most optimally evaluated by MRI in order to diagnose tumors and lesion characterization including involvement of adjacent structures. Objective: To describe MRI techniques of rectal cancer imaging. MRI protocol: Imaging can be performed on either a 1.5- or 3.0-Tesla scanner. Neither bowel preparation nor spasmolytic medications are required. IV contrast is not necessary, and rectal gel can result in overestimation of involvement of the circumferential r more...
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