방사성옥소 치료환자의 환의 및 침구류에 대한

A Study of Measuring the Surface Contamination for Patient’s Clothes and Bedclothes after Ablation Therapy

Purpose: Contaminated clothes and bedclothes of patients by mouth or with excrement are produced after Radioisotope 131I treatment. In this paper, patient's clothes and bedclothes contaminated by radioactivity measured and radioactive waste wish to calculate optimum storage period. Material and Methods: The whole area of patients’ clothes and bedclothes measured 70 patients, 12 males and 58 females, who had radioisotope 131I therapy between August 2005 and February 2006. Assuming contamination is evenly distributed, the radioscope used to measure up to social toleration level at 7 day intervals. Results: Each optimum storage period of control group of 60 case and non control group of 10 case were average 44±16 days and 32±13 days. Decontamination effect of surface contamination for radioactive waste was average 83.66±15.15%. Conclusion: It is important that classify radioactive waste according to difference of surface contamination. Result of this research, handling radioactive waste in optimum storage period may be useful.