Extraskeletal osteosarcomas are uncommon entities in clinical practice, which account for 1% to 2% of all soft tissue sarcomas. We here reported a case of multiple extraskeletal osteosarcomas and nuclear medicine imaging findings of this disease in 99mTc-MDP bone scan as well as 18F-FDG PET/CT.
From the Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
Received for publication June 5, 2018; revision accepted June 29, 2018.
Conflicts of interest and sources of funding: none declared.
Correspondence to: Quan-Yong Luo, MD, PhD, Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China. E-mail: firstname.lastname@example.org.