Nucl Med Mol Imaging.
2012 Dec;46(4):304-307.
Primary Malignant Fibrous Histiocytoma in Mediastinum: Imaging with 18F-FDG PET/CT
- Affiliations
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- 1Clinical Research Institute, Gyeongsang National University Hospital, Chiram-dong, Jinju, Gyeongsangnam-do, South Korea.
- 2Department of Nuclear Medicine and Molecular Imaging, Ajou University School of Medicine, San 5, Woncheon-dong, Yeongtong-gu, Suwon, South Korea. suesj@naver.com
- 3Department of Thoracic and Cardiovascular Surgery, Ajou University School of Medicine, San 5, Woncheon-dong, Yeongtong-gu, Suwon, South Korea.
Abstract
- Malignant fibrous histiocytoma (MFH) is the most common soft tissue tumor which often occurs in the extremities and the retroperitoneum. Primary mediastinal MFH is rare; thus, findings on 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) of mediastinal MFH have not been reported yet.We report herein the case of a 64-year-old man who was presented with a superior mediastinal mass. The mass showed intense 18F-FDG uptake with central metabolic defect on PET/CT. The maximum standardized uptake value was 17.4. After tumor removal via median sternotomy, an MFH of the storiform-pleomorphic type was diagnosed on histopathologic examination. We present the first report of 18F-FDG PET/CT imaging of MFH in the superior mediastinum.
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