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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.