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Literature review
| Study | Year | Total No. | No. Enhanced (%) | Comment |
|---|---|---|---|---|
| White et al.7 | 2007 | 35 | 10 (29) | Includes 2 nonenhancing anaplastic astrocytomas |
| Lin and Zhang13 | 2004 | 4 | 2 (50) | |
| Patel et al.11 | 1998 | 15 | 1 (7) | |
| Breger et al.12 | 1989 | 3 | 0 (0) | |
| Parizel et al.10 | 1989 | 7 | 0 (0) | Includes 1 pilocytic and 6 low-grade astrocytomas |
| Dillon et al.9 | 1989 | 6 | 0 (0) | Includes 6 recurrent astrocytomas |
| Sze et al.8 | 1988 | 6 | 1 (17) | Includes 4 primary and 2 recurrent astrocytomas |
| Total | 76 | 14 (18) |
