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ConePlan

Rx: 75Gy/1fx

Planned to max point dose of 75Gy

 

Beams
DVH
Metrics

Name (ID): zzz_GK, TrigemN (033020174)
Plan or PlanSum ID: Cone2recalc

Structure ID Structure Code Patient Structure DVH Objective Evaluator Variation Priority Met Achieved
3.75GyBody   BODY V3.75Gy[cc]         2.49 cc
7.5GyBody   BODY V7.5Gy[cc]         0.83 cc
30GyBody   BODY V30Gy[cc]         0.09 cc
60GyBody   BODY V60Gy[cc]         0.02 cc
Body   BODY Mean[Gy]         0.130 Gy
Body   BODY Max[Gy]         75.000 Gy
Technical Plan Comments

This plan was created from an MR dataset as that is all that was available.  Dose was calculated by the Cone Planning tool in Eclipse with 4mm cones.  This plan used 15 half arcs (-4 degrees on either side of each arc to prevent excess anterior/posterior dose, total 172 degrees) each with the couch rotated an additional 15 degrees.  Additionally, two 60 degree (0 degree couch) RPO and LAO partial arcs were added to slighty rotate the dose cloud (preventing "streaking" posteriorly onto the brainstem).   Besides brainstem sparing, the goal of this plan was to keep the 10% and 50% isodose levels as compact as possible.

Links

Review 3rd party software generated full treatment plan report

PDF

                              

Download full DICOM CT, struct, plan and dose file         

ZIP        

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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