18F-sodium fluoride PET–CT vs. 99mTc bone scintigraphy with SPECT in patients with prostate cancer or breast cancer.

Intra-individual comparison of 18F-sodium fluoride PET–CT and 99mTc bone scintigraphy with SPECT in patients with prostate cancer or breast cancer at high risk for skeletal metastases (MITNEC-A1): a multicentre, phase 3 trial – The Lancet Oncology (link to abstract – $ for full-text) 

Commentary: 18F-NaF PET-CT More Accurate Than 99mTc-MDP SPECT for Detecting Bone Metastasis – Cancer Therapy Advisor