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Table 3 Characteristics of 125 I seed implantation and outcome (n = 17)

From: CT-guidance interstitial 125Iodine seed brachytherapy as a salvage therapy for recurrent spinal primary tumors

NO.

Lesion size (cm)

GTV volume (cc)

Seed activity (mCi)/D90 (Gy)

GTV:V100/V90

Seeds numbers

Post-seed implant therapies

PS:NRS

ASIA

Ambulatory function score

RR

LR (m)

Follow-up (m)

Cause of death

1

1.5×1.5×1.0

9.9

0.5/90

92.4/95.2

7

Palliative Surgery

2-3

E

 

PR

13

69

MM

2

8.5×7.5×7.0

110.2

0.5/100

93.2/96

80

Seed implant

0-1

C

 

PR

8

11

MM

3

5.5×4.5×11

104.1

0.8/100

90.1/94.2

79

No

5-6

C

 

SD

39

41

MM

4

2.7×1.5×5.0

102.8

0.8/140

93.2/96.7

92

No

1-2

D

 

PR

32

32

MM

5

2.5×2.0×1.6

32.6

0.7/121

92.8/94.5

45

Seed implant

0-1

E

 

CR

34

36

MM

6

5.5×4.1×1.7

103.8

0.72/108

89.2/93.2

109

No

1-2

D

 

PR

19

19

MM

7

6.2×10.7×8.3

100.3

0.75/148

96.8/99.2

100

CTx

0-1

D

 

CR

36

36

S

8

8.1×6.3×6.8

99.6

0.73/143

97.5/99

103

No

2

E

 

PR

35

35

S

9

11.5×3.1×3.5

39.6

0.7/102

87.8/90.7

44

No

0-1

E

 

PR

21

21

S

10

6.0×3.2×4.1

73.1

0.6/150

99/99.7

122

No

1-2

E

 

PR

4

4

MM

11

1.4×4.8×3.9

50.5

0.64/164

95.2/95.9

98

No

2

E

 

PR

17

17

S

12

4.6×3.5×7.7

46.2

0.68/152

98.6/99.3

74

No

0

E

 

PR

3

3

S

13

4.5×6.4×4.3

27.4

0.7/152

95.1/96.4

47

No

0

E

 

SD

3

3

S

14

6.0×5.0×4.0

27.8

0.65/133

98.1/99.3

48

No

1

E

 

PR

12

12

S

15

6.0×3.5×4.5

60.5

0.74/122

93.5/96.2

85

No

3

D

 

PR

11

11

S

16

2.3×1.8×1.2

22.9

0.75/137

96.3/98.2

31

No

2

D

 

SD

2

2

S

17

4.8×4.1×5.0

28.2

0.74/183

93.2/96.3

55

Seed implant

0-1

E

 

SD

14

20

LR