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KMID : 1148920100440030230
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Nuclear Medicine and Molecular Imaging
2010 Volume.44 No. 3 p.230 ~ p.231
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Retroperitoneal Pleomorphic Liposarcoma Mimicking Adrenal Cancer in F-18 FDG PET/CT
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Yoon Min-Ki
Kim Seog-Joon
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Abstract
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Liposarcoma is the second most common type of soft tissue sarcoma, but pleomorphic liposarcoma is the least common subtype. We present the case of a 42-year-old man who had experienced intermittent left flank pain for a month. A large soft-tissue mass was detected by ultrasonography in a local clinic, and he was referred for further evaluation. Positron emission tomography/computed tomography (PET/CT) with F-18 fluoro-2-deoxy-D-glucose (F-18 FDG) showed intense uptake in the retroperitoneal mass, which mimicked an adrenal cancer. The patient underwent left radical nephroadrenalectomy, and the tumor was revealed to be a pleomorphic liposarcoma upon pathological examination. When there is a large retroperitoneal mass with intense F-18 FDG activity, the possibility of a pleomorphic liposarcoma should be considered.
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KEYWORD
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Liposarcoma, Retroperitoneal, Pleomorphic, F-18 FDG, PET/CT, Adrenal cancer
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