A Study on Radiation Hazard : on the Peripheral Blood Changes

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  • 放射線障害に関する研究 : 末梢血液の変化について
  • ホウシャセン ショウガイ ニカンスルケンキュウ マッショウ ケツエキ ノ ヘン

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Effect of X-rays on peripheral blood after local irradiation is presented in this paper. Irradiation was given with 200 kVp X-rays to the mandible of adult dogs. Variations of peripheral blood were compared with those of the group of osteoradionecrosis and those of the group of non-osteoradionecrosis. Results are as follows : 1. In the group which developed osteoradionecrosis, the red blood cell count decreased after development of osteoradionecrosis, and hemoglobin and hematocrit also showed a decrease in number. In the group of non-osteoradionecrosis, the red blood cell count, hemoglobin, and hematocrit increased in number after X-ray irradiation. 2. In the group which developed osteoradionecrosis, the white blood cell count increased markedly after development of osteoradionecrosis, but no variation of the white blood cell count was seen in the group of non-osteoradionecrosis. 3. In the group which developed osteoradionecrosis, the differential count of white blood cells showed the normal ratio of lymphocytes, but showed a low ratio of eosinophils. In the group of non-osteoradionecrosis, the differential count showed high ratios of lymphocytes and eosinophils, but showed a low ratio of neutrophils after X-ray irradiation.

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