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Table 2 The patterns of failure following radiation for GBM with respect to cycles completed, extent of resection, and failure isodose volume

From: Concurrent bevacizumab and temozolomide alter the patterns of failure in radiation treatment of glioblastoma multiforme

Patient number

Pattern of failure

Cycles completed

Extent of resection

Failure IDV (Gy)

Failure IDV (%)

1

In-Field

7

GTR

58

96

2

In-Field

7

GTR

57

95

3

In-Field

12

GTR

58

97

4

Marginal

4

GTR

49

81

5

Marginal

5

STR

51

85

6

Subependymal

3

STR

24

40

7

Subependyma1

3

STR

12

20

8

Subependymal

3

Biopsy

21

35

9

Subependymal

3

STR

25

42

10

Subependymal

6

GTR

26

43

11

Deep White Matter

4

GTR

12

21

12

Deep White Matter

10

Biopsy

5

8

  1. GTR: Gross Total Resection.
  2. STR: Subtotal Resection.
  3. IDV: Isodose Volume.