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J Radiat Prot > Volume 30(1); 2005 > Article
Journal of Radiation Protection 2005;30(1):9-0.
전산화 단층촬영 장치의 이용 실태에 대한 조사
A study on the utilization of CT equipments
Cho, Pyong-Kon;Oh, Yu-Whan;Kim, Sung-Soo;Choi, Jong-Hak;Kim, You-Hyun;
This study was conducted to investigate the patient exposure dose during a CT examination and the present position in utilization of the CT equipments. To this end Questionnaire were sent out to 278 medical facilities registered at Korea Hospital Association and replies of 161 medical facilities were analyzed. The results were as follows ; 1) The distribution of CT examination was. Brain 40.7%, Abdomen 27.8%, Chest 15.7%, Spine 4.8%, Pelvis 4.1%, PNS 3.2%, Facial bone 2.5% and Extremity 1.1% respectively. 2) The statistics for dose index according to each part of examination were Brain 38.0mGy, Abdomen 12.0mGy for adults : Brain 13.6mGy, Abdomen 6.2mGy for infant. Our surveyed dose index appeared lower than the IAEA recommends. 3) Most medical facilities have selected the parameters for radiographic exposure in the range of $100{sim}120kVp,;100{sim}250mA;and;1{sim}2$ seconds.
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