The99mTc -MDP bone scan was positive (red arrows), whereas both 99mTc-3PRGD2 SPECT and 18F-FDG PET were negative. A: 99mTc-3PRGD2 WB (-), B: 99mTc-3PRGD2 SPECT (−), C: 99mTc-MDP bone scan (+), D: 18F-FDG PET (−). WB: whole body.