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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