期刊文献+

笔形束和蒙特卡罗算法在放疗剂量计算中的比较研究 被引量:6

原文传递
导出
摘要 目前,放疗计划系统内置剂量算法大多是基于笔形束叠代卷积技术。已经有多项研究表明笔形束算法在非均匀介质中存在局限,主要原因是笔形束算法应用一维密度校正不能准确模拟次级电子在非均匀介质中的剂量分布]。蒙特卡罗模拟算法被公认为目前剂量计算的“金标准”。本研究目的是比较笔形束和蒙特卡罗两种算法来在临床剂量计算中剂量分布差异。
出处 《中华放射肿瘤学杂志》 CSCD 北大核心 2015年第4期364-366,共3页 Chinese Journal of Radiation Oncology
  • 相关文献

参考文献6

  • 1Wolfram UL, Annemarie B, Nusslin F, et al. Intensity modulated ir- radiation of a thorax phantom:comparisons between measurements, Monte Carlocalculations and pencil beam calculations [J]. Phys Med Biol,2001,46(6) : 1695-1706.
  • 2. Knoost T. Ahnesjo A, Nilssont P, et al. Limitations of a pencil beam approach to photon dosecalculations in lung tissue [ J]. Phys Med Bio1,1995,40(9) :1411-1420.
  • 3Krieger T, Sauer OA. Monte Carloversus peneil-heam/eollapsed- eonedosecaleulation in a heterogeneous muhi-layerphantom [J]. Phys Med Biol, 2005,50 ( 5 ) : 859-868.
  • 4Anders A, Mafia MA. Dose calculations for external photon beams inradiotherapy [ J ],Plays Med Biol, 1999,44 ( 11 ) : 99-155.
  • 5赵艳群,王培,黎杰,肖明勇,郎锦义,吴大可.不同算法在非均匀组织模体中光子剂量计算精确度比较[J].中华放射肿瘤学杂志,2012,21(1):72-76. 被引量:15
  • 6Chetty IJ, Curran B, Cygler JE, et al. Issues associatedwith clinical implementation of Monte Carlo-based photonand electron external beam treatment planning, a report fromAAPM Task Group 105 [ J]. Med Phys,2007,34(12) :4818-4853.

二级参考文献16

  • 1Aarup LR,Nshum AE,Zachartou C.Theeffect of different lung densities on the accuracy of various radiotherapy dose calculation methods:Implications for tumour coverage. Radiother Oncol,2009,91:405-414.
  • 2Dobler B,Walter C,Knopf A,et al.Optimization of extracranial stereotactic radiation therapy of small lung lesions using accurate dose calculation algorithms.Radiat Oncol,2006,1:45.
  • 3Reynaert N,Van der Marj SC,Schaart DR,et al.Monte Carlo treatment planning for photon and electron beams. Radiat Phys Chem,2007,76:643-686.
  • 4Carrasco P,Jornet N,Duch MA,et al. Comparison of dose calculation algorithms in phantoms with lung equivalent heterogeneities under conditions if lateral electronic disequilibrium.Med Phys,2004,31:2899-2911.
  • 5Krieger T,Sauer OA.Monte Carlo-versus pencil-beam-/collapsed-cone-dose calculation in a heterogeneous multi-layer phantom.Phys Med Biol,2005,50:859-868.
  • 6Seco J,Adams E,Bidmead M,et al. Head-and-neck IMRT treatment assessed with a Monte Carlo dose calculation engine.Phys Med Biol,2005,50:817-830.
  • 7Wang L,Yorke E,Chui CS.Monte Carlo evaluation of 6 MV intensity modulated radiotherapy plans for head and neck and lung treatments.Med Phys,2002,29:2705-2717.
  • 8Yang J,Li J,Chen L,et al.Dosimetric verification of IMRT treatment planning using Monte Carlo simulation for prostate cancer.Phys Med Biol,2005,50:869-878.
  • 9Jones AO, Das IJ. Comparison of inhomogeneity correction algorithms in small photon fields.Med Phys,2005,32:766-776.
  • 10Kawrakow I,Rogers D.The EGSnrc code system:Monte Carlo simulation of electron and photon transport. NRCC report PRIS-701.Ottawa:Ionizing radiation standards national research council of Canada,2010.

共引文献14

同被引文献46

引证文献6

二级引证文献42

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部