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High Doses to Small V:
Things to keep in mind
V
D
DWH
Olszewska AM. Radiother Oncol 2001;61:83-85
Wachter-Gerstner et al. 2003
Effects: due to Dose in the
Organ wall
, not Lumen
D
0.1cm
3
and D
2cm
3
:
Mainly in the wall
DVH is acceptable
D
5cm
3
or D to larger V:
Mainly in the lumen
DWH is needed
DVH
5 cm
3
2 cm
3
Organ
DWH
5 cm
3’
2 cm
3’
Organ wall
5 cm
3
2 cm
3
DVH
D5cm
3
D2cm
3