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KMID : 1148920180520010082
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Nuclear Medicine and Molecular Imaging
2018 Volume.52 No. 1 p.82 ~ p.84
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Transiently Altered Distribution of F-18 FDG in a Patient with Subacute Thyroiditis
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Kim Myoung-Hyoun
Kim Dae-Weung
Park Soon-Ah
Kim Chang-Guhn
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Abstract
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F-18 fluorodeoxyglucose (FDG) is a highly influential radiotracer that provides valuable information in many cancer types. However, the normal biodistribution of F-18 FDG is often variable and can be altered by intrinsic or iatrogenic factors. We report a case of diffuse symmetrically increased skeletal muscle uptake and relatively decreased hepatic uptake on F-18 FDG PET/CT in a 57-year-old female with pulmonary adenocarcinoma. Detailed clinical evaluation and retrospective radiologic evaluation revealed that she had been diagnosed with subacute thyroiditis 2 weeks ago. After 6 weeks, F-18 FDG distribution was normalized at the follow-up PET/CT study.
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KEYWORD
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F-18 FDG, Hyperthyroidism, PET/CT, Subacute thyroiditis
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