Estimation of Patient’s Effective Dose From 18F-FDG Whole-Body PET/CT Procedures

Abstract

The aim of this study to Estimate the patient’s dose from 18F-FDG (18F-fluorodeoxyglucose positron emission tomography/computed tomography) whole body investigations. The dose calculated using RADAR Medical Procedure Radiation Dose Calculator to estimate the effective dose, for 156 patients (110 males and 40 female) were examined by Discovery PET/CT 710, GE Medical Systems in Kuwait Cancer Control Center. The results showed that variation in effective dose, were the effective dose ranged from 156 to 9.94 mSv. And found that the effective dose for female 3.88 mSv was higher than the dose for male 3.71 mSv, this variation come from the higher value of BMI between the females 28.49 kg/m2

than the BMI of males 26.50 kg/m2

, also there was lightly variation of effective dose between the right and left lung, were the effective dose for right lung 3.86 mSv was higher as same as the BMI 27.19 kg/m2 was higher than the dose 3.59 mSv and BMI 26.82 kg/m2

of left lung. The results provide that there is no difference demonstrates in the effective dose from 18F-FDG in male and female patients. And recommended that all the clinical practice should be justify and be careful about the concept risk-benefit ratio to any and efforts 18FDG whole-body PET/CT scan.