Table 6 Comparison of primary CNS tumors within the pediatric population with the various studies of the world
Study | Study period | Country | Age (yrs) | M:F | Total pediatric primary CNS tumors | ST:IT | Pilocytic astrocytoma (%) | Medulloblastoma (%) | Oligodendroglioma (%) | Craniopharyngioma (%) | Ependymoma (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
Kaatsch et al. 2001 [23] | 1990–1999 | Germany | < 15 | ND | 3268 | ND | ND | 18.1 | 1.1 | 4.4 | 10.4 |
Rosemberg and Fujiwara 2005 [24] | 1974–2003 | Brazil | < 22 | 1.2:1 | 1195 | 1.9:1 | 17.5 | 10.1 | 0.9 | 9.8 | 7.8 |
Raaschou-Nielsen et al. 2006 [25] | 1980–1996 | Denmark | < 15 | 1.2:1 | 626 | 1:0.7 | 10.5 | ND | ND | ND | 9.3 |
Ahmed et al. 2007 [26] | 1989–1998 | Pakistan | < 15 | 2.5:1 | 81 | 1:0.5 | 14.8 | 48.2 | 1.2 | ND | 9.9 |
Zhou et al. 2008 [27] | 2001–2005 | China | < 18 | 1.6:1 | 1485 | 1.6:1 | 1 | 13.5 | 1.1 | 17 | 4.3 |
Kaderali et al. 2009 [28] | 1980–2008 | Canada | < 20 | 1.3:1 | 1866 | ND | 5.9 | 10.6 | 1.7 | 6.8 | 4.9 |
Karkouri et al. 2010 [29] | 2003–2007 | Morocco | < 20 | 1.07:1 | 542 | ND | 17.3 | 29 | 1.7 | 6.6 | 7.6 |
Makino et al. 2010 [30] | 1989–2008 | Japan | < 15 | 1.3:1 | 210 | ND | ND | 10 | ND | 10.5 | 4.8 |
El-Gaidi 2011 [31] | 2005–2008 | Egypt | < 15 | 1.06:1 | 451 | 1:0.9 | 19.3 | 18.8 | 1.6 | 11.3 | 8.2 |
Azad et al. 2015 [32] | 2009–2014 | Nepal | < 18 | 1.6:1 | 39 | ND | 16.7 | 16.7 | 2.8 | 5.6 | 19.4 |
Present study | 1996–2022 | India | < 18 | 1.8:1 | 170 | 3.6:1 | 6.5 | 10.6 | 6 | 9.4 | 10.6 |