Head-to-head Comparison of [18F]F-PSMA-N5 With [18F]F-PSMA-1007 PET/CT in PCa Diagnosis, Recurrence, and Metastasis

This study compares two different PET scan tracers — [18F]F-PSMA-N5 and [18F]F-PSMA-1007 — to see which one is better at detecting prostate cancer, including at the time of diagnosis, after treatment recurrence, or when assessing for spread. Both are injected before the scan. **You may be eligible if...** - You are between 18 and 90 years old - You have prostate cancer detected by PSA testing or imaging, or clinical suspicion of recurrence after prior treatment - You have complete MRI and clinical data available - You agree to have both PET/CT scans within two weeks - You are willing to undergo a biopsy or have already had tissue confirmation **You may NOT be eligible if...** - You cannot cooperate with the examination - You have another active cancer - You have a known alcohol allergy - You have significant liver or kidney problems Talk to your doctor to see if this trial is right for you.