Incidental Detection of Meningioma by 18F-FMAU PET/CT in a Patient With Suspected Prostate Cancer


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Abstract

We report on an incidental detection of a meningioma on [18F]-2′-fluoro-5-methyl-1-beta-D-arabinofuranosyluracil (18F-FMAU) PET/CT scan that was performed during a prospective investigation of 18F-FMAU PET/CT for targeted biopsy of potential sites of tumor in men with suspected prostate cancer based on elevated prostate-specific antigen level. Neither prostate multiparamteric MRI nor 18F-FMAU PET/CT localized small volume Gleason 3 + 3 tumor deposits. However, an incidental focal high accumulation of 18F-FMAU was observed in high right parietal lobe that displayed characteristics of a meningioma on a subsequent brain MRI.

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