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Should 68Ga-PSMA PET/CT Replace CT and Bone Scan in Clinical Staging of High-risk Prostate Cancer?
Pietro Pepe1, Michele Pennisi2
1Urology Unit, Cannizzaro Hospital, Catania, Italy piepepe@hotmail.com.
Background/Aim:
To evaluate the accuracy of 68Gallium prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) vs. CT combined with bone scan in the clinical staging of high-risk prostate cancer (PCa).
Patients And Methods:
From January 2020 to October 2021, 30 patients underwent clinical staging according to 68Ga-PSMA PET/TC, lung-abdominal CT and Technetium-99m bone scan.
Results:
68Ga-PSMA PET/CT demonstrated a better accuracy in comparison with CT plus bone scan in the diagnosis of node metastases at definitive histology (76.9% vs. 46.1%; p=0.001).
Conclusion:
The 68Ga-PSMA PET/CT was more accurate than CT and bone scan in the staging of high-risk PCa, leading to a change in the therapeutic strategy in 10% of the cases.
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