The diagnostic performance of 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) for primary kidney tumors is limited. Nevertheless, 18F-FDG PET/CT is valuable for staging renal cell carcinoma (RCC) when suspected metastases coexist, as one-third of patients with RCC have distant metastases upon diagnosis. Herein, we present a 53-year-old male patient with extensive 18F-FDG-avid metastatic lesions and an 18F-FDG-avid renal mass, which later revealed RCC.
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Oflas et al. (2024) studied this question.
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