调强放射治疗 |
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引用本文: | 梁世雄.调强放射治疗[J].广西医学,2005,27(6):944-945. |
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作者姓名: | 梁世雄 |
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作者单位: | 广西壮族自治区肿瘤医院,南宁,530021 |
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摘 要: | Intensity modulatedradiationtherapy(IMRT)involvesthe deliveryofoptimized,nonuniformbeamintensities(优化的,不均一的射野强度)tothepatient.Itachievesremarkablyhigher targetdoseconformity(剂量适形性)comparedwithprevious technologies,including3dimensionalconformaltherapy(3D CRT)(三维适形放射治疗),whichbecamewidespreadduring the1990s.ThischaracteristicofIMRTenablesimprovedtumor irradiationinsomepatientsandprovidesapotentialforsparing organsinthevicinityofthetargetstoanextentthatwasnotpos siblebe…
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关 键 词: | 放射治疗 肿瘤 照射量 解剖学 功能性 |
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