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Diffuse-Type Tenosynovial Giant Cell Tumor of the Thoracic Spine

Appearance on FDG PET/CT

Shen, Guohua MD*; Ma, Huan MS; Pan, Lili MS*; Su, Minggang MD*; Kuang, Anren MD*

doi: 10.1097/RLU.0000000000002541
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D-TGCT (diffuse-type tenosynovial giant cell tumor) is a benign proliferative disorder of the synovial membranes that usually occurs in the appendicular skeleton, especially large joints such as the knee, hip, and elbow. It rarely involves the spine. In this report, we describe a rare case of D-TGCT in the thoracic spine, which showed a lytic lesion with high FDG uptake. It can mimic metastases or neurogenic tumors and should be included in the differential diagnosis of spinal tumors.

From the *Department of Nuclear Medicine, West China Hospital of Sichuan University

Sichuan New Radiopharmaceuticals Technology Co, Ltd, Chengdu, People's Republic of China.

Received for publication January 3, 2019; revision accepted February 2, 2019.

Conflicts of interest and sources of funding: This study was supported by National Natural Science Foundation of China (grant no. 81471692) and Sichuan Province Science and Technology Support Program (grant no. 2018HH0081). None declared to all authors.

Correspondence to: Anren Kuang, MD, Department of Nuclear Medicine, West China Hospital of Sichuan University, No. 37 Guoxue Alley, Chengdu 610041, China. E-mail: kuanganren@263.net.

Online date: March 19, 2019

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