Abstract

18F-Sodium fluoride (NaF) is primarily a skeletal imaging agent which can be localized in extraosseous calcified foci. Here, we describe a case of a 48-year-old man with bladder carcinoma referred for staging using 18F-NaF positron emission tomography/computed tomography (PET/CT). 18F-NaF PET/CT detected a calcified soft tissue mass in the urinary bladder. Extraosseous 18F-NaF uptake is often encountered and these non-osseous findings could possibly provide important diagnostic information. Thus, recognition of extraosseous 18F-NaF activity has implications for accurate staging and management.

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