Objective: This proof of concept study investigated whether dual time point FDG-PET/CT with image acquisition after 1 and 3 h could be useful in preoperative staging of patients undergoing robot-assisted radical prostatectomy and extended pelvic lymph node dissection for high-risk prostate cancer. Results: Twenty patients with high-risk prostate cancer underwent dual time point FDG-PET/CT before undergoing surgery. Histologically confirmed lymph node metastases were found in 9/20 (45%). A median of 19 (range 10-41; n = 434) lymph nodes were removed per patient. Pelvic lymph nodes with detectable FDG uptake were seen in two patients only, but the FDG-avid lesion on PET did not correspond with pathological findings in either patient. We found a significant increase in maximal standardized uptake value of the prostate of around 30% between early and late imaging. We found no correlation between clinical findings after radical prostatectomy and PET measurements.
CITATION STYLE
Mortensen, M. A., Vilstrup, M. H., Poulsen, M. H., Gerke, O., Høilund-Carlsen, P. F., & Lund, L. (2018). A prospective study on dual time 18 F-FDG-PET/CT in high-risk prostate cancer patients. BMC Research Notes, 11(1). https://doi.org/10.1186/s13104-018-3985-2
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