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VMATv2

Rx: 21Gy/1fx

Three brain mets on different planes

 

Beams
DVH
Metrics

Name (ID): P4Brain, P4Brain (P4Brain)
Plan or PlanSum ID: SX2

Structure ID Structure Code Patient Structure DVH Objective Evaluator Variation Priority Met Achieved
4GyBrain_noPTV   BRAIN_PTV V4Gy[cc]         76.51 cc
12GyBrain_noPTV   BRAIN_PTV V12Gy[cc]         7.89 cc
21GyBrain_noPTV   BRAIN_PTV V21Gy[cc]         0.62 cc
Brain_noPTV   BRAIN_PTV Mean[Gy]         1.422 Gy
PTV1   1PTV_RF_21 V100%[%] >=99     Goal 99.09 %
GTV1   1GTV_RF Max[%]         133.4 %
GTV1   1GTV_RF Max[Gy]         28.022 Gy
GTV1   1GTV_RF Min[Gy]         23.089 Gy
GTV1   1GTV_RF V100%[cc]         0.31 cc
GTV1   1GTV_RF Volume[cc]         0.31 cc
PTV2   2PTV_RC_21 V100%[%] >=99     Goal 99.24 %
GTV2   2GTV_RC Max[%]         131.8 %
GTV2   2GTV_RC Max[Gy]         27.683 Gy
GTV2   2GTV_RC Min[Gy]         20.107 Gy
GTV2   2GTV_RC V100%[cc]         0.40 cc
GTV2   2GTV_RC Volume[cc]         0.40 cc
PTV3   3PTV_LC_21 V100%[%] >=99     Goal 99.49 %
GTV3   3GTV_LC Max[%]         134.3 %
GTV3   3GTV_LC Max[Gy]         28.195 Gy
GTV3   3GTV_LC Min[Gy]         24.332 Gy
GTV3   3GTV_LC V100%[cc]         0.28 cc
GTV3   3GTV_LC Volume[cc]         0.28 cc
Brainstem   Brainstem Max[Gy]         2.798 Gy
Chiasm   Chiasm Max[Gy]         1.384 Gy
OpticNerve_L   OptNrv_L Max[Gy]         1.642 Gy
OpticNerve_R   OptNrv_R Max[Gy]         1.485 Gy
Eye_L   Eye_L Max[Gy]         1.482 Gy
Eye_R   Eye_R Max[Gy]         1.737 Gy
Technical Plan Comments

This plan was created with .5cm effective MLC leaf width utilizing a works-in-progress software configuration.  Also of note, this plan doesn't include imaging dose in the final calculation.  Otherwise, this plan used simple optimization objectives: max dose constraints to OARs and miniumum dose contraints to targets.  The manual NTO was employed with Priority 140, Distance .3cm, Start Dose 100%, End Dose 8%, Fall Off .25.  Extended convergence mode was selected in the Photon Optimizater calculation options in Eclipse V15.5+.

Links

Review 3rd party software generated full treatment plan report

PDF

                              

Download full DICOM CT, struct, plan and dose file         

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Any reference to a "plan study" are simply what the organizers call each case and may not be a "study" in the FDA sense as they may not have been published in a peer reviewed journal.
Varian does not provide medical advice and these are illustrative examples only.
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