| 单词 | Pneumonitides,Radiation |
| 释义 | Pneumonitides,Radiation《英文msh词典》Pneumonitides,Radiation [入口词] Pneumonitides,Radiation [主题词] Radiation Pneumonitis [英文释义] Injurious effects of radiotherapy on the lungs. There are three phases in the reaction of the lungs to radiation injury: an acute phase occurring 1 to 2 months after exposure,a subacute phase 2 to 9 months after exposure,and a chronic or fibrotic phase more than 9 months after exposure. In the acute phase there is vascular damage,congestion,edema,and mononuclear cell infiltration; in the subacute phase the alveolar walls are infiltrated with mononuclear inflammatory cells and fibroblasts; in the chronic phase,alveolar fibrosis and capillary sclerosis take place. (Cecil Textbook of Medicine,19th ed,p2343) |
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