Interesting Images18F-NaF Uptake in Breast CancerLiu, Huipan MD; Liu, Lin MBBS; Fu, Wenhui MD; Chen, Yue MDAuthor Information From the Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University/Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, Sichuan, People’s Republic of China. Received for publication March 15, 2020; revision accepted April 10, 2020. Conflicts of interest and sources of funding: none declared. Correspondence to: Yue Chen, MD, Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, No. 25 TaiPing St, Jiangyang District Luzhou, Sichuan, People’s Republic of China 646000. E-mail: email@example.com. Clinical Nuclear Medicine: November 2020 - Volume 45 - Issue 11 - p 878-879 doi: 10.1097/RLU.0000000000003114 Buy Metrics Abstract A 55-year-old woman with back pain underwent 18F-NaF PET/CT study to evaluate bone metastases from newly diagnosed breast cancer. Multiple foci of increased tracer uptake indicating osteoblastic metastases were noted in cervical and thoracic vertebrae. Unexpectedly, breast cancer also revealed increased NaF activity. Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.