Trigger pSA predicting recurrence from positive choline PET/CT with prostate cancer after initial treatment
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Junbao Wei1,*, Hengzong Zhu2,* and Xiaoli Liao3
1Department of Therapeutic Radiology, Guangxi Autonomous Regional Cancer Hospital & Cancer Hospital of Guangxi Medical University, Nanning, 530021, China
2Department of General Medicine, Longan Hospital of Traditional Chinese Medicine, Nanning, 532700, China
3The Oncology Department, Guangxi Autonomous Regional Cancer Hospital & Cancer Hospital of Guangxi Medical University, Nanning, 530021, China
*These authors contributed equally to this work
Xiaoli Liao, email: [email protected]
Keywords: prostate cancer; recurrence; choline PET/CT; PSA; meta-analysis
Received: July 27, 2017 Accepted: December 13, 2017 Epub: January 24, 2018 Published: March 06, 2018
Purpose: To assess the relationship between the diagnostic accuracy of Choline positron emission tomography/computed tomography (PET/CT) and the trigger prostate-specific antigen (PSA) level in patients with a biochemical recurrence of prostate cancer.
Materials and Methods: A meta-analysis was conducted to synthesize data across multiple studies.
Results: The pooled sensitivity and specificity of choline PET/CT were 82% (95% Confidence Interval (CI):80–84%) and 92% (95%CI: 90–93%), respectively. The pooled sensitivity and specificity of 18F-choline PET/CT were 81% (95%CI: 78–84%) and 90% (95%CI: 85–93%), respectively. The pooled sensitivity and specificity of 11C-choline PET/CT were 83% (95% CI: 80–86%) and 92% (95% CI: 90–94%), respectively. The pooled detection rate of 18F-choline PET/CT and 11C-choline PET/CT were 58% (95% CI: 48–68%) and 58% (95%CI: 49–68%), respectively.
Conclusions: Trigger PSA is an important risk factor for positive findings of Choline PET/CT and the detection rate of Choline PET/CT for recurrent prostate cancer increased in parallel with raises in PSA-values. Choline PET/CT got higher detection rate while the trigger PSA > 2ng/ml.
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