Evaluation of 18F-PSMA-1007 PET/CT in prostate cancer patients with biochemical recurrence after radical prostatectomy

Autor: Xing Zhou, Xiao Jiang, Luzhou Liu, Xiaoxiong Wang, Chuan Li, Yutang Yao, Ying Kou, Jiaqi Shen, Taipeng Shen, Zeng Li, Shengke Yang, Shukui Zhou, Hong Liao, Zhifu Luo, Xiaoai Wu, Shirong Chen, Zhuzhong Cheng
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Translational Oncology, Vol 15, Iss 1, Pp 101292- (2022)
Druh dokumentu: article
ISSN: 1936-5233
DOI: 10.1016/j.tranon.2021.101292
Popis: Purpose: Prostate-specific membrane antigen (PSMA) ligands targeting has shown promising results in staging of prostate cancer (PCa). The aim of present study was to evaluate the value of 18F-PSMA-1007 PET/CT in PCa patients with biochemical recurrence. Methods: 71 patients with PCa after radical prostatectomy (RP) were included in the present study. Median prostate-specific antigen (PSA) level was 1.27 ng/mL (range 0.01–67.40 ng/mL, n = 69). All patients underwent whole-body PET/CT imaging after injection of 333±38 MBq 18F-PSMA-1007. The distribution of PSMA-positive lesions was assessed. The influence of PSA level, androgen deprivation therapy and primary Gleason score on PSMA-positive finding and uptake of 18F-PSMA-1007 were evaluated. Results: 56 (79%) patients showed at least one pathological finding on 18F-PSMA-1007 PET/CT. The rates of positive scans were 50%, 80%, 100%, 100% among patients with PSA levels ≤0.5, 0.51–1.0, 1.1–2.0 and >2.0 ng/mL, respectively. The median Gleason score was 8 (range 7–10), and higher Gleason score (≤7 vs. ≥8) leads to higher detection rates (58.3% (14/24) vs. 88.9% (32/36), P = 0.006). The median SUVmax of positive findings in patients with PSA levels ≤0.5, 0.51–1.0, 1.1–2.0 and >2.0 ng/mL were 4.51, 4.27, 11.50 and 14.08, respectively. The median SUVmax in patients with PSA level >2.0 ng/mL was significantly higher than that in patients with PSA ≤2.0 ng/mL (14.08 vs. 6.13, P
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