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- W20237520 abstract "1852 Objectives The diagnosis of the pelvic lesion with PET/CT is difficult due to the contrast is poor. Aim of this study was to investigate PET/CT with oral contrast media (OCM) in post treatment gynecological cancers. Methods The subjects were 39 post treatment gynecological cancer patients (23 ovarian cancer patients and 16 uterine cancer patients) diagnosed by histopathological examination or 6 month follow up. After a 1-hour waiting following FDG administration (200-370MBq), the patients drank 3 ml of the oral contrast medium (OCM) Gastrografin diluted with 500 ml of water, and early whole-body image 1 hour after FDG administration and delayed abdominal image 2 hours after FDG administration were acquired. Diagnostic performance as lesion detection in early images (EI) and delayed images (DI) was investigated in PET/CT with OCM. We did not use intravenous contrast media. Results Artifacts associated with of over correction were not observed with the use of oral contrast media. By PET/CT with OCM sensitivity, specificity, accuracy, PPV and NPV were 100, 92.3, 97.4, 96.3 and 100% in the EI and 100, 92.3, 97.4, 96.3 and 100% in the DI. It became easy to diagnose the pelvic lesions by using the OCM in PET/CT. Conclusions Dual-phase PET/CT with oral contrast media is useful in diagnosis of post treatment gynecological cancers" @default.
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- W20237520 date "2011-05-01" @default.
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- W20237520 title "The diagnostic performance of dual-phase PET/CT with oral contrast media in post treatment gynecological cancers" @default.
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