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Table 3 Criteria for plan validation

From: Dosimetric comparison between helical tomotherapy and volumetric modulated arc-therapy for non-anaplastic thyroid cancer treatment

Structures Dose-constraint
PTV 63 Gy D50% = 63 Gy
D95% > 95%Dpresc HR
D98% > 90%Dpresc HR
D2% < 107%Dpresc HR
PTV 54 Gy D95% > 95%Dpresc LR
D98% > 90%Dpresc LR
PRV medullary canal Dmax < 45Gy
Parotid glands* Dmean < 26Gy
V15Gy < 65%
V30Gy < 45%
V45Gy < 24%
Mandible Dmean < 30Gy
Dmax < 70Gy
Larynx Dmean < 30Gy
Dmax < 55Gy
Oral cavity Dmean < 30Gy
Dmax < 55Gy
Sub-maxillary glands* Dmean < 40Gy
  1. *At least one.