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Table 1 Summary of dose prescription and dose-volume constraints in VMDWAT planning

From: Monitoring of mechanical errors and their dosimetric impact throughout the course of non-coplanar continuous volumetric-modulated arc therapy

Treatment site Dose-volume constraints
PTV OARs
Skull base tumor D99% = 90% Eye Dmax < 45 Gy
  Dmax < 107% Lens Dmax < 10 Gy
   Chiasm Dmax < 55 Gy
   Brainstem Dmax < 59 Gy
   Optic nerve Dmax < 55 Gy
Prostate cancer Dmean > 99% Bladder wall V40 Gy < 65%
  D95% > 90%   V70 Gy < 35%
  V90% > 95% Rectal wall V40 Gy < 65%
  Dmax < 110%   V60 Gy < 35%
    V70 Gy < 25%
    V78 Gy < 1%
  1. Abbreviations: VMDWAT volumetric-modulated Dynamic WaveArc therapy, PTV planning target volume, OARs organs at risk, D mean mean dose, D max maximum dose D xx% dose covering xx% volume, V yy Gy volume receiving yy Gy