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Discordant MRI/FDG- PET imaging for the diagnosis of borderline ovarian tumors
  1. D. C. Jung*,
  2. H. J. Choi*,
  3. W. Ju,,
  4. S. C. Kim, and
  5. K-G. Choi,§
  1. *Department of Radiology, National Cancer Center, Goyang, Korea; and
  2. Department of Obstetrics and Gynecology,
  3. Medical Research Institute,
  4. § Department of Neurology, School of Medicine, Ewha Womans University, Seoul, Korea
  1. Address correspondence and reprint requests to: Woong Ju, MD, Department of Obstetrics and Gynecology, School of Medicine, Ewha Womans University, 911-1 Mok-Dong, Yangchun-Ku, Seoul 158–710, South Korea. Email: goodmorning{at}


The objective of this study was to assess the role of 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) for the characterization of ovarian masses that were diagnosed as ovarian malignancies by magnetic resonance imaging (MRI). We performed a retrospective review of eight patients with pathologically confirmed borderline ovarian tumors (BOT) who underwent MRI and FDG-PET before surgical staging from August 2005 to March 2007. We assessed the PET imaging of the BOT, measured the FDG uptake and quantified the findings as a standardized uptake value (SUV). The FDG-PET scans, of all eight patients, showed uptake of FDG with a mean SUV of less than 2.0 in the solid portion of the masses evaluated. We conclude that the MRI–PET differences may help differentiate borderline from malignant ovarian tumors.

  • borderline ovarian tumor
  • MRI
  • PET

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  • D.C.J. and H.J.C. contributed equally to this work.