Source of Support: None, Conflict of Interest: None
Dose distribution in different organs of 9 retinoblastoma cancer patients who were undergoing radiotherapy in Dhaka Medical College and Hospital, were studied with TL dosimeters. Dose given to these, patients varied from 30 Gy to 45 Gy. Among these patients, 4 were treated by 6 0 Co teoletherapy unit, 4 were treated by 137Cs unit and 1 was treated by deep X-ray therapy machine. The maximum average dose of 67 mGy (1.68% of the applied fractionated dose) was observed at the contralateral eye for a patient who was treated by 60Co teletherapy unit and the minimum average dose of 0.75 mGy (0.02% of the applied fractionate dose) was observed at the right leg for a patient who was treated by 137Cs teletherapy unit.