| Yang Zhixiang,Yang Wenfeng,Sun Xiangli.Clinical observation of extremely severe local radiation injury by extremely heterogeneous 192Ir irradiation:report of a case[J].Chinese Journal of Radiological Medicine and Protection,1997,17(1):19-21 |
| Clinical observation of extremely severe local radiation injury by extremely heterogeneous 192Ir irradiation:report of a case |
| Received:May 03, 1996 Revised:September 04, 1996 |
| DOI： |
| KeyWords:192Ir radiation source Radiation injury Clinical observation Infra red thermoimaging |
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| Abstract:: |
| Objective The clinical observation of a case of extremely severe local radiation injury by extremely heterogeneous external irradiation of 192Ir is reported.Method The clinical pathologic change was systematically observed,and the temperature changes in the radiation injured parts were examined by infra red thermoimaging.Results Numbness and convulsion occurred 2h after irradiation,the earliest erythema and swelling were found 4h after irradiation.Blistering took place 54th after irradiation,necrosis and severe pain occurred at the 5th day,the latest erythema and swelling were found 41days after irradiation,and blistering and erosive surface of wound took place at the 47th day.Infra red thermoimaging examination showed that temperature increased in the early stage of injury,while it decreased in blisters,necrotic regions and in the late stage of injury.The earlier the temperature increased,the severer the injury was.The region of temperature change was consistent with injury extent.Conclusion Incipient reaction occurred early,injury was exacerbated by radiation sickness and local injury,symptoms were different in early and late stages and varied in severity,the disability was high and pain was severe.The temperature change during infra red thermoimaging can be used as one of the objective indices for the diagnosis of injury extent and degree. |
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