Table 2.
Number of cases and percent of first primary central nervous system tumors by behavior and histology, California, 2001–2005
| Histology | ICD-O3 histology codes | Malignant | Benign | Uncertain | Total | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | |||
| Tumors of the neuroepithelial tissue | ||||||||||
| Pilocytic astrocytoma | 9421 | 0 | 0.0 | 488 | 3.5 | 0 | 0.0 | 488 | 2.0 | |
| Diffuse astrocytoma (protoplasmic, fibrillary) | 9410, 9420 | 87 | 0.9 | 0 | 0.0 | 0 | 0.0 | 87 | 0.3 | |
| Anaplastic astrocytoma | 9401, 9411 | 644 | 7.0 | 0 | 0.0 | 0 | 0.0 | 644 | 2.6 | |
| Unique astrocytoma variants | 9383, 9384, 9424 | 36 | 0.4 | 0 | 0.0 | 82 | 5.0 | 118 | 0.5 | |
| Astrocytoma, NOS | 9400, 9412 | 587 | 6.4 | 0 | 0.0 | 3 | 0.2 | 590 | 2.4 | |
| Glioblastoma | 9440, 9441, 9442 | 4,180 | 45.3 | 0 | 0.0 | 0 | 0.0 | 4,180 | 16.8 | |
| Oligodendroglioma | 9450 | 448 | 4.9 | 0 | 0.0 | 0 | 0.0 | 448 | 1.8 | |
| Anaplastic oligodendroglioma | 9451, 9460 | 207 | 2.2 | 0 | 0.0 | 0 | 0.0 | 207 | 0.8 | |
| Ependymoma/Anaplastic ependymoma | 9391, 9392, 9393 | 418 | 4.5 | 0 | 0.0 | 0 | 0.0 | 418 | 1.7 | |
| Ependymoma variant, Myxopapillary | 9394 | 0 | 0.0 | 0 | 0.0 | 146 | 9.0 | 146 | 0.6 | |
| Mixed glioma | 9382 | 313 | 3.4 | 0 | 0.0 | 0 | 0.0 | 313 | 1.3 | |
| Glioma malignant, NOS | 9380 | 497 | 5.4 | 0 | 0.0 | 0 | 0.0 | 497 | 2.0 | |
| Choroid plexus | 9390 | 20 | 0.2 | 68 | 0.5 | 5 | 0.3 | 93 | 0.4 | |
| Neuroepithelial | 9381, 9423, 9430, 9444 | 25 | 0.3 | 0 | 0.0 | <5 | 0.2 | 27 | 0.1 | |
| Neuronal/glial, neuronal and mixed | 8680, 9413, 9490, 9492, 9493, 9500, 9501, 9505, 9506, 9508 | 59 | 0.6 | 91 | 0.6 | 200 | 12.3 | 350 | 1.4 | |
| Pineal parenchymal | 9360, 9361, 9362 | 34 | 0.4 | 0 | 0.0 | 26 | 1.6 | 60 | 0.2 | |
| PNET/medulloblastoma | 9470, 9471, 9472, 9473, 9474 | 399 | 4.3 | 0 | 0.0 | 0 | 0.0 | 399 | 1.6 | |
| Tumors of cranial & spinal nerves | ||||||||||
| Nerve sheath tumors | 9540, 9550, 9560, 9561, 9570 | 17 | 0.2 | 2,537 | 18.0 | 23 | 1.4 | 2,577 | 10.3 | |
| Tumors of meninges | ||||||||||
| Meningioma | 9530, 9531, 9532, 9533, 9534, 9537, 9538, 9539 | 138 | 1.5 | 7,257 | 51.6 | 424 | 26.0 | 7,819 | 31.4 | |
| Other mesenchymal | 8324, 8728, 8801, 8806, 8810, 8815, 8850, 8861, 8890, 8900, 8920, 9150, 9260 | 25 | 0.3 | 21 | 0.1 | 49 | 3.0 | 95 | 0.4 | |
| Hemangioblastoma | 9131, 9161, 9535 | 0 | 0.0 | 17 | 0.1 | 217 | 13.3 | 234 | 0.9 | |
| Lymphomas | ||||||||||
| 9590, 9591, 9650, 9670, 9671, 9675, 9680, 9684, 9687, 9690, 9691, 9695, 9698, 9699, 9702, 9705, 9714, 9719, 9727, 9728, 9729, 9731, 9733, 9734, 9740, 9741, 9750, 9755, 9930 | 694 | 7.5 | 0 | 0.0 | 0 | 0.0 | 694 | 2.8 | ||
| Germ cell tumors | ||||||||||
| 9060, 9064, 9065, 9070, 9071, 9080, 9081, 9084, 9085 | 157 | 1.7 | 25 | 0.2 | 0 | 0.0 | 182 | 0.7 | ||
| Tumors of sellar region | ||||||||||
| Pituitary tumors | 8270, 8271, 8272, 8280, 8290, 8300,9580 | 15 | 0.2 | 3,384 | 24.1 | 0 | 0.0 | 3,399 | 13.6 | |
| Craniopharyngioma | 9350, 9351, 9352 | 0 | 0.0 | 0 | 0.0 | 271 | 16.6 | 271 | 1.1 | |
| Local extensions from regional tumors | ||||||||||
| Chordoma | 9370, 9371, 9372 | 23 | 0.2 | 0 | 0.0 | 0 | 0.0 | 23 | 0.1 | |
| Unclassifed tumors | ||||||||||
| Hemangioma | 9120, 9121, 9122, 9130, 9133 | 0 | 0.0 | 93 | 0.7 | 3 | 0.2 | 96 | 0.4 | |
| Neoplasm, unspecified | 8000, 8005, 8010 | 208 | 2.3 | 76 | 0.5 | 179 | 11.0 | 463 | 1.9 | |
| All other | 8720, 8728, 9580, 9751 | 5 | 0.1 | 0 | 0.0 | 0 | 0.0 | 5 | 0.0 | |
| Total | – | 9,236 | – | 14,057 | – | 1,630 | – | 24,923 | – | |
PNET primitive neuroectodermal tumors