Radiation dosimetry of 18F-fluorocholine PET/CT studies in prostate cancer patients.

Purpose: We aimed to evaluate the Equivalent Doses (HTs) to highly exposed organs as well as the Effective Dose (ED) for (18)F-fluorocholine PET/CT scan in the follow-up of prostate cancer patients.

Methods: Fifty patients were administered with (18)F-fluorocholine. The activities in organs with the highest uptake were derived by region-of-interest (ROI) analysis.