18F-fluciclovine PET Imaging of Non-PSMA Expressing High-risk Primary Prostate Cancer.
A 67-year-old man with rising PSA and palpable prostate lesion underwent prostate MRI, which showed a large PI-RADS 5 lesion confirmed on biopsy as Gleason score 9 (4+5), grade group 5, prostate cancer. 18F-DCFPyL PET/CT scan for initial stage showed no significant PSMA avidity in the prostate lesion. 18F-fluciclovine...