Primary Malignant Fibrous Histiocytoma in Mediastinum: Imaging with 18F-FDG PET/CT
Choi, BH; Yoon, SH; Lee, S; Jo, KS; Song, HS; An, YS; Yoon, JK; Lee, SJ
Nuclear medicine and molecular imaging, 46(4):304-307, 2012
Nuclear medicine and molecular imaging
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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