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Table 1 Surgical outcome related to sex and age in infra-tentorial brain tumor subtypes

From: Infra-tentorial brain tumor subtypes in children and adults—surgical outcome in an ethnic population with a single regional tertiary center

S. no. Histopathological type/site No. of patients Males Females Children(18 years and below) Postop. clinico-radiological status
Residual lesion/dis. Prog. Recurrence Mortality
1. Schwannomas 102 63 39 03 25/06 12 04
i). Vestibular (CP angle) 98 60 38 03 23/05 11 04
ii). Trigeminal 04 03 01 02/01 01
2. Meningiomas: 38* 16 22 01 10/03 05 03
i). Cerebellar cortex and tent. 16 05 11 01
ii). Cerebello-pontine angle 12 05 07 05
iii). Foramen magnum 07 03 04 04/02 04 02
iv). Peri-torcular 02 02
v). Jugular foramen 01 01 01/01 01 01
3. Hemangioblastomas 28 15 13 01 04/04 04
4. Dermoids 15 09 06 04
5. Epidermoids 09 06 03 03 01
6. Medulloblastomas 72 53 19 61 31/12 14 22
i).Classical 53 42 11 51 19/07 07 15
ii). Desmoplastic variant 11 08 03 04 07/01 01 01
iii). Anaplastic changes 05 03 02 04 03/03 05 05
iv). Glial differentiation 03 01 02 02 02/01 01 01
7. C. Astrocytomas (HG) 47 32 15 12 33/01 02 01
8. Ependymomas 43 29 14 09 18/05 05 03
9. C. Pilocytic astrocyto. 24 18 06 20 15
10. Brainstem gliomas: 16 11 05 12 16/06 09 07
i). J. Pilocytic asstrocytoma 05 03 02 05 05/01 02 01
ii). Glioblstoma multiforme 04 03 01 01 04/03 04 04
iii). Fibrillary astrocytomas 03 01 02 03 03/01 01
iv). Gangliogliomas 02 02 02 02
v). Oligodendrogliomas 01 01 01 01 01 01
vi). Primitive neuroectodermal tumor 01 01 01/01 01 01
11. Metastatic        
Posterior fossa 09 05 04 06/05 05 06
i). Carcinoma lung 03 03 02/02 02 03
ii). Carcinoma breast 03 03 01/01 01 02
iii). Renal cell carcinoma 02 01 01 02/01 01
iv). Malignant melanoma 01 01   01/01 01 01
12. Pineoblastomas 07 02 05 04 07/03 03
Total Posterior fossa tumors 410 (100%) 259 (63.2%) 151 (36.8%) 130 (31.7%) 165(40.2%) /45(10.9%) 59 (14.3%) 47 (11.4%)
  1. 38* 4 out of 38 meningiomas were malignant (WHO grade III), Postop. postoperative, HG high grade (III-anaplastic and IV-glioblastoma multiforme), C cerebellar, astrocyto astrocytomas, J. juvenile, Tent. tentorial, Dis. Prog. disease progression, CP cerebellopontine