Distribution and Incidence Ratesa of Primary Brain and Central Nervous System Tumors by Histology,
CBTRUS 1990-1994b
| HISTOLOGY |
Total Number |
% of All Reported Brain Tumors |
Mean Age at Diagnosis |
Total Rate |
| Tumors
of neuroepithelial tissue |
|
Diffuse astrocytoma
(protoplasmic, fibrillary)
|
273 |
1.3 |
47 |
0.15 |
Anaplastic astrocytoma
|
885 |
4.3 |
50 |
0.48 |
Glioblastoma
|
4,695 |
22.6 |
62 |
2.60 |
Pilocytic astrocytoma
|
371 |
1.8 |
17 |
0.27 |
Unique astrocytoma
variants
|
94 |
0.5 |
35 |
0.06 |
Oligodendroglioma
|
540 |
2.6 |
41 |
0.29 |
Anaplastic
Oligodendroglioma
|
117 |
0.6 |
46 |
0.07 |
Ependymoma/anaplastic
ependymoma
|
420 |
2.0 |
36 |
0.24 |
Ependymoma variants
|
72 |
0.3 |
37 |
0.04 |
Mixed glioma
|
212 |
1.0 |
40 |
0.12 |
Astrocytoma, NOS
|
1,682 |
8.1 |
47 |
0.94 |
Glioma malignant, NOS
|
546 |
2.6 |
46 |
0.31 |
Choroid plexus
|
65 |
0.3 |
22 |
0.04 |
Neuroepithelial
|
34 |
0.2 |
42 |
0.02 |
Benign and malignant neuronal/glial,
neuronal and mixed
|
216 |
1.0 |
24 |
0.13 |
Pineal parenchymal
|
37 |
.02 |
28 |
0.02 |
Embryonal/primitive/medulloblastoma
|
376 |
1.8 |
14 |
0.26 |
| Tumors
of cranial and spinal nerves |
|
Nerve sheath, benign
and malignant
|
1,356 |
6.5 |
51 |
0.75 |
Other tumors of cranial and spinal nerves
|
1 |
0.0 |
36 |
0.00 |
| Tumors
of the meninges |
|
Meningioma
|
4,989 |
24.0 |
62 |
2.63 |
Other mesenchymal,
benign and malignant
|
73 |
0.4 |
39 |
0.04 |
Hemangioblastoma
|
195 |
0.9 |
46 |
0.11 |
| Lymphomas
and hemopoietic neoplasms |
|
Lymphoma
|
846 |
4.1 |
54 |
0.43 |
| Germ
Cell Tumors and Cysts |
|
Germ cell tumors, cysts and heterotopias
|
127 |
0.6 |
22 |
0.09 |
| Tumors
of the sellar region |
|
Pituitary
|
1,670 |
8.0 |
50 |
0.90 |
Craniopharyngioma
|
183 |
0.9 |
36 |
0.11 |
| Local
extensions from regional tumors |
|
Chordoma/chodrosarcoma
|
45 |
0.2 |
60 |
0.02 |
| Unclassified
tumors |
|
Hemangioma
|
58 |
0.3 |
41 |
0.03 |
Neoplasm, unspecified
|
579 |
2.8 |
63 |
0.29 |
All Other
|
8 |
0.0 |
49 |
0.00 |
| TOTAL |
20,765 |
100.0 |
53 |
11.47 |
a Rates are per 100,000 person-years, age-adjusted using the 1970 United States standard population.
b Includes data from eleven of the twelve regions listed in Table 2; Virginia is excluded.
Abbreviations used: CBTRUS, Central Brain Tumor Registry of the United States; NOS, not otherwise specified.
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