Clinical nuclear medicine
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Clinical nuclear medicine · Apr 2018
Case ReportsProstate-Specific Membrane Antigen PET/CT Incidental Finding of a Schwannoma.
We describe a case of a 73-year-old man with newly diagnosed prostate cancer referred to Ga-PSMA PET/CT for staging. A focal uptake of PSMA was visualized in the prostate compatible with primary prostate cancer. ⋯ Further investigation with MRI of the same region showed signs compatible with schwannoma. This case shows the importance of including schwannoma in the differential diagnostic evaluation of patients with Ga-PSMA-positive foci in paravertebral locations, as schwannomas may show avid PSMA uptake and may potentially lead to an incorrect diagnosis of metastasis.