Nucl Med Mol Imaging.  2017 Jun;51(2):182-185. 10.1007/s13139-016-0442-9.

Giant Cell Tumor of the Rib: Two Cases of F-18 FDG PET/CT Findings

Affiliations
  • 1Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu Seoul, Korea Zip Code: 06591. iryoo@catholic.ac.kr
  • 2Molecular Imaging Program, Department of Radiology, Stanford Hospital and Clinics, Stanford, CA, USA.
  • 3Department of Hospital Pathology, Seoul St. Mary's Hospital, College ofMedicine, The Catholic University of Korea, Seoul, South Korea.

Abstract

We report two cases of giant cell tumor arising from the rib and their F-18 FDG PET/CT findings. The two patients complained of chest wall pain, and large lobulated soft tissue masses with intense FDG uptake were seen on F-18 FDG PET/CT. A malignant tumor such as osteosarcoma or chondrosarcoma was suspected due to the large size of the mass, bony destruction, and intense FDG uptake. En bloc resection was performed and final pathologic results revealed giant cell tumor of the rib. Giant cell tumor of the rib is very rare, and larger lesions with high FDG uptake can be misdiagnosed as an intrathoracic malignancy arising from the rib, pleura, or chest wall.

Keyword

FDG; Giant cell tumor of bone; PET/CT; Rib

MeSH Terms

Chondrosarcoma
Giant Cell Tumor of Bone
Giant Cell Tumors*
Giant Cells*
Humans
Osteosarcoma
Pleura
Positron-Emission Tomography and Computed Tomography*
Ribs*
Thoracic Wall
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