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ICRU 91 2017: reporting
•
PTV median absorbed dose, D50%
•
Dnear-max (and near-min) For PTV larger than or equal to 2 cm
3
, the volume
nearmax represents 2 % of the PTV, as recommended in ICRU Report 83 (D2%).
For PTV V of less than 2 cm
3
, near-max is an absolute volume of 35mm
3
, in
which case
D
35mm
3
is reported.
•
Both CTV and PTV DVH
•
No recommendation for Dv for prescription (e.g. 95% or 98%)
•
OAR near min and max, and recommend to report always 2 levels. If it is not
clearly a parallel or serial structure than 3 levels should be reported
•
Paddick CI, also to GTV
•
For brain, also Dose gradient GI may be considered = PIVhalf/PIV
3.3 mm
3.3 mm
3.3 mm