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Abstract #4327

Cancer screening using 18F-FDG PET/MR in asymptomatic subjects: a preliminary report

Mingxiang Sun1, Mu Lin2, Xiang Feng3, Liling Peng1, and Xin Gao1

1Universal Medical Imaging, Shanghai, China, 2MR collaboration, Diagnostic Imaging, Siemens Healthcare, Shanghai, China, 3MR Scientific Marketing, Diagnostic Imaging, Siemens Healthcare, Beijing, China

This study was performed to evaluate the diagnostic value of PET/MR for cancer screening in asymptomatic subjects. 1491 subjects in total were enrolled in this study. 33 cases were diagnosed with malignant tumors, whereas 17 cases were correctly detected by PET/MR and 16 cases were detected by other methods. The overall detection rate of PET/MR in asymptomatic subjects was 1.14%, and the sensitivity, specificity, positive predictive value, and negative predictive value of PET/MR were 51.52%, 99.66%, 77.27% and 98.91%, respectively. As a cancer screening method, FDG PET/MR has great potentials to detect various kinds of tumors and should be beneficial to combine with other screening modalities.

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