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Nucl Med Mol Imaging. 2014 Sep;48(3):230-2. doi: 10.1007/s13139-014-0275-3. Epub 2014 Apr 23.

Tenosynovial Giant Cell Tumor of Diffuse Type Mimicking Bony Metastasis Detected on F-18 FDG PET/CT.

Author information

1
Department of Nuclear Medicine, Korea Cancer Center hospital, Nowon-Gil 75, Gongneung-Dong, Nowon-Gu, Seoul 139-706 Republic of Korea.
2
Department of Pathology, Korea Cancer Center hospital, Nowon-Gil 75, Gongneung-Dong, Nowon-Gu, Seoul 139-706 Republic of Korea.

Abstract

Tenosynovial giant cell tumor of diffuse type (TGCT-D) is a locally aggressive neoplasm that arises in the tendon sheath, bursa, or synovium. It typically involves the appendicular skeleton and rarely involves the axial skeleton. Because there are no specific findings of TGCT-D based on imaging studies or clinical symptoms, TGCT-D can be confused with other primary or metastatic bone tumors. We report findings of TGCT-D involving the T9 vertebra incidentally detected on F-18 FDG PET/CT in a patient with papillary thyroid cancer.

KEYWORDS:

FDG; Giant cell tumors; PET/CT

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