Out of Field Dose Reduction by Geoffrey Ibbott, PhD
Out of Field Dose Reduction by Geoffrey Ibbott, PhD
Out of Field Dose Reduction by Geoffrey Ibbott, PhD
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Results: Application for 3D-CRT and IMRTProstate Treatments (Rando Phantom)Energy(MeV)Gantryposition ( o )<strong>Field</strong> size(cm 2 )PrescribedMU4-field 3D-CRT 18 0 7 x 9.54 31590 7 x 7.96 315180 7 x 9.96 315270 7 x 7.64 3156-field 3D-CRT 18 45 7 x 10.46 21890 7 x 7.96 218135 7 x 9.96 218225 7 x 10.46 218270 7 x 7.64 218315 10 x 10 2187-field IMRT 6 0 8 x 10 23151 8.5 x 10 565102 8.5 x 9 446154 8.5 x 10.5 403206 8.5 x 10 387257 8.5 x 9.5 401308 8 x 10 41712