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Table 2 Age-related frequency, sex ratio, histological, and topographical distribution of the 5 most common intracranial tumors [n, n (%)]. (M male, F female, IT infratentorial, ST supratentorial)

From: Epidemiological characteristics of central nervous system tumors in children: a 5-year review of 3180 cases from Beijing Tiantan Hospital

Histological types Frequency 0–3 years 4–6 years 7–9 years 10–12 years 13–15 years Ratios
M:F IT:ST
Craniopharyngioma 472 (15.4) 70 (2.3) 149 (4.9) 109 (3.6) 88 (2.9) 56 (1.8) 1.37: 1 -
Medulloblastoma 437 (14.3) 57 (1.9) 136 (4.4) 137 (4.5) 73 (2.4) 34 (1.1) 1.89: 1 -
Pilocytic astrocytoma 362 (11.8) 77 (2.5) 110 (3.6) 75 (2.4) 58 (1.9) 42 (1.4) 1.14: 1 1.59: 1
Diffuse astrocytoma 302 (9.8) 72 (2.3) 81 (2.6) 59 (1.9) 54 (1.8) 36 (1.2) 1.32: 1 1.56: 1
Anaplastic ependymoma 148 (4.8) 45 (1.5) 54 (1.8) 29 (0.9) 12 (0.4) 8 (0.3) 2.08: 1 1.60: 1
Intracranial tumors 3066 (100) 556 (18.1) 818 (26.7) 687 (22.4) 553 (18.0) 452 (14.8) 1.47: 1 0.73: 1