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Dosimetric comparison for 1 #
Cumulative RT Doses
(4# of BT)
DVH
Parameters
Ring
STD ICA Only
Vienna with
one set of
needles
Vienna with
additional
needles
Planning
aim
Prescribed
dose
HRCTV D90 (Gy)
4.38
6.2
8.3
≥ 85 Gy
96.2 Gy
HRCTV D98 (Gy)
3.45
4.5
7.0
SIGMOID 2 CC
4.6
4.5
4.1
≤ 70 Gy
67.4 Gy
SIGMOID 0.1 CC
6.1
5.8
5.2
BLADDER 2 CC
7.9
6.5
5.5
≤ 90 Gy
82.9 Gy
BLADDER 0.1 CC
10.2
8.5
6.5
RECTUM 2 CC
3.9
3.8
4.2
≤ 70 Gy
68.3 Gy
RECTUM 0.1 CC
5.4
5.3
5.6