Histology | NDN (n = 81) (%) | HDN (n = 103) (%) |
---|---|---|
Anaplastic astrocytoma | 8 (9.9) | 19 (18.4) |
Astroblastoma | 0 (0.0) | 1 (1.0) |
Astrocytoma | 4 (4.9) | 14 (13.6) |
Astrocytoma, pilocytic | 2 (2.5) | 4 (3.9) |
Desmoplastic nodular medulloblastoma | 0 (0.0) | 1 (1.0) |
Ependymoma | 4 (4.9) | 5 (4.9) |
Fibrillary astrocytoma | 1 (1.2) | 4 (3.9) |
Gemistocytic astrocytoma | 1 (1.2) | 0 (0.0) |
Giant cell glioblastoma | 1 (1.2) | 0 (0.0) |
Glioblastoma | 50 (61.7) | 16 (15.5) |
Glioma, malignant | 4 (4.9) | 7 (6.8) |
Medulloblastoma | 3 (3.7) | 7 (6.8) |
Medullomyoblastoma | 0 (0.0) | 1 (1.0) |
Mixed glioma | 0 (0.0) | 3 (2.9) |
Myxopapillary ependymoma | 0 (0.0) | 2 (1.9) |
Oligodendroglioma | 2 (2.5) | 10 (9.7) |
Oligodendroglioma, anaplastic | 1 (1.2) | 7 (6.8) |
Pleomorphic xanthoastrocytoma | 0 (0.0) | 1 (1.0) |
Primitive neuroectodermal tumor | 0 (0.0) | 1 (1.0) |
↵a Note the high percentages of glioblastoma multiforme in the NDN group.