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DVH-parameters CTV-T
HR (ICRU 89)
D90: Minimum dose within most exposed 90% of volume of interest
- reliable and reproducible, but 10% „neglected“ (clin relevance)
D 98: Minimum dose within most exposed 98% of volume of interest
- reliable and reproducible, 2% not included
[V100: Volume recieving prescribed physical dose (V150%/V200%)]
- indicates target coverage;
only relevant within a specific dose (rate) and fractionation schedule
D50: Minimum dose within most exposed 50% of volume of interest