放射線治療における組織線量分布および平均骨髄線量 : 第一報コバルト60γ線について

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As regards the risks related to the use radiotherapy, the non-stochastic effect has been mainly discussed. On the other hand, stochastic effect will be stress more here, as it increases the longevity of the people exposed to radiotherapy. Especially, the mean bone marrow dose is important from the viewpoint of population dose. Tissue and organ doses must be accumulated as fundamental data to estimate the risk of radiotherapy. We measured the tissue dose at each part of human phantom using some principal irradiation methods by employment of TLD. And in addition to the above, we were able to get the tissue dose distribution and calculate the mean bone marrow dose per target absorbed dose 1,000 cGy. The results are as follow, Whole body-maxillary sinus right angled field irradiation method : 21.9 cGy, Larynx two-opposed fields irradiation method : 12.0 cGy, mediastinum two-opposed fields irradiation method : 93.2 cGy, esophagus rotation therapy method : 46.3 cGy, whole pelvis two-opposed fields irradiation method : 210.8 cGy, Inverted Y opposed fields irradiation method : 282.2 cGy. Not including the irradiated volume-maxillary sinus right angled field irradiation method : 7.0 cGy, Larynx two-opposed fields irradiation method : 3.8 cGy, mediastinum two opposed fields irradiation method : 8.9 cGy, esophagus rotation therapy method : 25.1 cGy, whole pelvis two opposed fields irradiation method : 32.2 cGy, Inverted Y opposed fields irradiation method : 44.2 cGy.
社団法人日本放射線技術学会の論文
1987-10-01

放射線治療における組織線量分布および平均骨髄線量 : 第一報コバルト60γ線について

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放射線治療における組織線量分布および平均骨髄線量 : 第一報 コバルト60γ線について

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放射線治療における組織線量分布および平均骨髄線量 : 第一報コバルト60γ線について