A PET/CT study of a patient with a right parietal glioblastoma multiforme. The images were acquired 30 min after injection of the imaging agent, 588 MBq (15.9 mCi) of ¹⁸F-FDG. Submitted by Eileen J.Ehret, CNMT, and Leslie Pearson, ARRT(N), PET Imaging of The Woodlands, The Woodlands, TX.