Comparison of Dose Calibrators in Nuclear Medicine Centers Using Thallium-201 Radiopharmaceutical

This study was performed with the aim of determination of dose calibrators’ accuracy in nuclear medicine centers. Thallium-201 radiopharmaceutical was used for comparison of dose calibrators with each other and with the reference. After the measurement which was carried out in 12 centers located in tehran and other cities, and according to the data obtained from the reference, it was concluded that dose calibrators in 10 centers are with positive and 2 centers with negative errors, as compared with the reference.