|
a
|
|
Parameter
|
Value
|
|
CTV
|
35 (25–43)
|
|
D90
|
106 (106–108)
|
|
D100
|
81 (77–85)
|
|
V100
|
97 (96–98)
|
|
V150
|
24 (22–32)
|
|
V200
|
8 (7–10)
|
|
D2 rectum
|
57 (50–69)
|
|
D2 urethra
|
81 (76–85)
|
|
DHI
|
0.27 (0.22–0.33)
|
|
b
|
|
Region of interest
|
Mean (cGy)
|
Min (cGy)
|
Max (cGy)
|
|
GTV
|
4027
|
3462
|
4375
|
|
PTV
|
3936
|
3134
|
4375
|
|
Bladder
|
862
|
161
|
3680
|
|
Rectum
|
727
|
102
|
3561
|
|
Right femoral head
|
371
|
145
|
894
|
|
Left femoral head
|
428
|
139
|
1075
|
- Note: CTV clinical target volume, D90 dose delivered to 90% of the CTV, D100 dose delivered to 100% of the CTV, V100 volume receiving 100% of the prescribed dose, V150 volume receiving 150% of the prescribed dose, V200 volume receiving 200% of the prescribed dose, D2 rectum dose delivered to 2% of the rectum volume, D2 urethra dose delivered to 2% of the urethra volume, DHI dose non-homogeneity Index: V150/V100
- Note: GTV gross target volume, PTV planning target volume
