FDG-avid presacral soft tissue mass in previously treated rectal cancer: Diagnostic outcome and additional value of MRI, including diffusion-weighted imaging.
European Journal of Surgical Oncology（2019）
Abstract
FDG-PET/CT has a poor PPV for locally recurrent rectal cancer in the presacral space. The observation of air in the FDG-avid presacral lesion and additional MRI assessment are diagnostically helpful, without a significant additional value of DWI.
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Key words
18F-FDG,Diffusion MRI,PET-CT,Magnetic resonance imaging,Rectal cancer
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