1516 / 1708
Table 1. Clinical and salvage treatment information for study patients
Reirradiation
volume
Lesions/
surgery sites
Resection or
metastasectomy
results
Interval
RT1 RT2 (mo)
RT
age (Y)
CSI dose
(Gy)
RT2 irradiation sites
Maximal
reirradiation
dose (Gy) and site
RT2
failure
Patient
Site 1 (Gy)
Site 2 (Gy)
Site 3 (Gy)
1
SRS
1/1
—
10.7
2.0
— Plneal(17.7)
—
— Pineal (48)+17.5 SRS Combined
2
SRS
1/1
STR
21.9
6.0
— CP angle (16.5)
—
— Cerebellum/stem
(50.4) + 16.5 SRS
Local
3
SRS
1/1
STR
29.8
5.3
— 4
th
ventricle (15.0)
—
— Cerebellum/stem
(60.4) + 15 SRS
Local
4
SRS
1/1
GTR
37.4
9.7
— 4
th
ventricle (18.0)
—
— Cerebellum/stem
(69.6) + 18 SRS
5
SRS
1/1
GTR
67.7
7.3
— Obex (18.0)
—
— Cerebellum/stem
(50.4) + 18 SRS
6
SRS
1/1
—
7.5
3.3
— 4
th
ventricle (20.0)
—
— no overlap
Combined
7
local
1/1
GTR
75.7
10.1
— 4
th
ventricle (50.4)
—
— Cerebellum/stem
(90.4) + SRS
8
local
1/1
NTR
10.5
4.3
— 4
th
ventricle (54.0)
—
— Cerebellum (113.4)
9
local
1/1
—
14.1
9.5
— Temporal (50.6)
—
— Temporal (108.4)
Metastases
10
local
1/1
NTR
14.1
10.8
— Foramen rotundum
(52.2)
—
— Cerebellum/stem
(111.6)
Metastases
11
local
1/1
GTR
14.7
3.1
— 4
th
ventricle (54.0)
—
— Cerebellum/stem
(113.4)
12
local
1/1
NTR
17.1
6.2
— 4
th
ventricle (52.2)
—
— Cerebellum/stem
(111.6)
Metastases
13
local
1/1
STR
23.1
5.3
— Left sylvlan
issue (50.6)
—
— frontotemporal(101.0)
14
local
1/1
GTR
25.2
3.5
— CP angle (54.0)
—
— Cerebellum/stem
(109.4)
15
local
1/1
GTR
25.9
4.1
— 4
th
ventricle (54.0)
—
— Cerebellum/stem
(113.4)
16
local
1/1
GTR
22.0
3.5
— 4
th
ventricle (54.0)
—
— Cerebellum/stem
(113.4)
17
local
1/1
GTR
24.6
3.6
— 4
th
ventricle (52.2)
—
— Cerebellum/stem
(111.6)
18
local
1/1
GTR
82.2
9.9
— 4
th
ventricle (50.4)
—
— Cerebellum/stem
(120.0)
19
local
1/1
GTR
77.8
13.5
— 4
th
ventricle (54.0)
—
— Cerebellum/stem
(108.0)
20
CSI
3/3
GTR
10.7
14.1 41.4 Frontal midline (57.6)
Occipital
(57.6)
Parasagittal
(57.6)
Frontal (111.6)
Combined
21
CSI
5/3
STR
17.6
6.2 41.4 4
th
ventricle (54.0)
Lateral ventricles
(54)
L2L3 (54.0) Cerebellum/stem
(113.4) + SRS
Local
22
CSI
2/2
STR
20.1
16.9 39.6 Parietal (57.6)
—
— Parietal (117.0)
Metastases
23
CSI
2/2
GTR
33.9
4.8 35.2 Cerebellum (48.6)
T4 (45.4)
— Cerebellum/stem (86.4)
24
CSI
1/1
GTR
50.9
10.0 38.6 Coolpital (59.4)
—
— Occipital (113.4)
Local
(
Continued
)
90
I. J. Radiation Oncology
d
Biology
d
Physics
Volume 71, Number 1, 2008