This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal).
This article was retracted at the request of the authors. The authority of Chinese drug administration have advised against dissemination of this research because as per the current guideline, Denosumab is not recommended for the treatment of giant cell tumor of bone. Furthermore, ethics approval was later withdrawn by the Cancer Hospital of China Medical University review board.