Table 1

Distribution and age adjusted incidence of primary intracranial tumours in elderly Japanese people

TumourCases (n (%))Incidence/100 000/yHistological confirmation rate (%)
TotalMenWomenTotalMenWomen
Meningioma137  (50.6)28  (32.9)109  (58.6)9.135.0211.654.7
Malignant glioma1-150 36 (13.3)16 (18.8)20 (10.7)2.402.842.1369.4
Pituitary adenoma35 (12.9)17 (20.0)18 (9.7)2.363.041.9657.1
Schwannoma18 (6.6)4 (4.7)14 (7.5)1.210.701.5166.7
Astrocytoma10 (3.7)5 (5.9)5 (2.7)0.580.880.4240.0
Malignant lymphoma10 (3.7)4 (4.7)6 (3.2)0.660.730.6280.0
Others25 (9.2)11 (12.9)14 (7.5)20.0
Total271 (100)85 (100)186 (100)18.115.220.357.2
  • 1-150 Includes anaplastic astrocytoma and glioblastoma.