Table 2. Age-adjusted incidence rate using the year 2000 Japanese population as a standard.

Tumor type	Incidence/100000/year			M/F ratio
	Total	Male	Female
Meningioma	6.15	3.36	8.56	0.39
Glioma	2.59	3.03	2.19	1.38
Pituitary adenoma	2.13	1.91	2.33	0.82
Schwannoma	1.24	1.17	1.32	0.88
Malignant lymphoma	0.49	0.66	0.37	1.78
Rathke’s cyst	0.54	0.34	0.72	0.48
Hemangioblastoma	0.26	0.3	0.21	1.43
Craniopharyngioma	0.22	0.18	0.26	0.67
Germ cell tumor	0.17	0.3	0.04	7.74
Epidermoid	0.13	0.15	0.12	1.28
Medulloblastoma	0.11	0.08	0.15	0.51
Others	0.62	0.61	0.6	1.02
All tumor	14.65	12.05	16.89	0.71