Brain Tumors | Dr. Prem Pillay, Singapore

Table 1

WHO Classification of Tumors of the Central Nervous System

  1. Tumors of Neuroepithelial Tissue
  2. Tumors of the Cranial and Spinal Nerves
  3. Tumors of the Meninges
  4. Lymphomas and Hemopoeitic neoplasms
  5. Germ Cell Tumors
  6. Cysts and Tumor-like lesions
  7. Tumors of the sellar region
  8. Local extensions from regional tumors
  9. Metastatic Tumors

Table 2

WHO Classification of Tumors of Neuroepithelial Tissue.

1.1 Astrocytic Tumors
1.2 Oligodendroglial Tumors
1.3 Ependymal Tumors
1.4 Mixed Gliomas
1.5 Choroid Plexus Tumors
1.6 Neuroepithelial Tumors of uncertain origin
1.7 Neuronal and Mixed Neuronal-glial Tumors
1.8 Pineal parencymal Tumors
1.9 Embryonal Tumors

Table 3

WHO Classification of Astrocytic Tumors

1.1 Astrocytic Tumors
1.1.1 Astrocytoma Fibrillary Protoplasmic Gemistocytic
1.1.2. Anaplastic Astrocytoma
1.1.3. Glioblastoma Cell Glioblastoma Gliosarcoma
1.1.4. Pilocytic Astrocytoma
1.1.5. Pleomorphic xanthoastrocytoma
1.1.6. Subependymal Giant Cell Astrocytoma

Table 4

WHO classification of Cerebral Gliomas

Grade I : Circumscribed Astrocytomas: Pilocytic Astrocytoma/ PXA /Subependymal Giant Cell Astrocytoma

Table 5

WHO Classification of Diffuse Cerebral Gliomas

Grade II : low-grade
Grade III: Anaplastic
Grade IV: Glioblastoma