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BACKGROUND: In the last years, functional imaging has given a significant contribution to the clinical decision-making of biochemically relapsed prostate cancer (PCa). Hereby, we present a prospective study aiming to validate the role of [18F]Fluoro-Methyl Choline ([18F]FMCH) PET/CT in the selection of PCa patients suitable for stereotactic body radiotherapy (SBRT). METHODS: Patients with biochemical recurrence limited up to three lesions revealed by [18F]FMCH PET/CT were enrolled in the present study and treated with SBRT on all active lesions. Systemic therapy-free survival since the [18F]FMCH PET/CT was considered as the primary endpoint. RESULTS: Forty-six patients were evaluated, and a total of 67 lesions were treated. After a median follow-up of 28.9 months, systemic therapy was started in 30 patients (65.2%) and median systemic therapy-free survival was 39.1 months (95% CI 6.5-68.6); 6, 12, and 24-month ratios were 93.5%, 73.9%, and 63.1%, respectively. At univariate Cox regression analysis, Delta PSA demonstrated an impact on systemic therapy-free survival (p 

Original publication




Journal article


Eur J Nucl Med Mol Imaging

Publication Date





185 - 191


Prostate cancer, Stereotactic body radiotherapy, [18F]FMCH PET/CT, Choline, Humans, Male, Neoplasm Recurrence, Local, Positron Emission Tomography Computed Tomography, Prospective Studies, Prostate-Specific Antigen, Prostatic Neoplasms, Radiosurgery