Neuro-Oncology: Difference between revisions

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[[Hemorrhoids]]
HELLO HELLO
HELLO HELLO




<nowiki>[[Hemorrhoids]]</nowiki> <hr>
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     <li> [[Pediatric Neuro Oncology]] </li>
     <li> [[Pediatric Neuro Oncology]] </li>
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Revision as of 12:16, 24 August 2023

Brain Tumor Frequency

  • MC intracranial tumors: Brain Metastases (just over 50%).
  • Incidence of primary brain tumors: approximately 20-30 per 100,000 in adults and 5 per 100,000 in children.
  • About one third of primary brain tumors in adults are malignant, whereas they account for two thirds in childhood.
  • Frequency of WHO subgroups and specific tumors is given (information not provided in the text).
Commonest Primary Brain Tumors by WHO Group Commonest Primary Brain Tumors by Subtype
  • Meninges (37.6%)
  • Neuroepithelial tissue (29.9%)
  • Sellar region (16.3%)
  • Cranial and spinal nerves (8.1%)
  • Unclassified (5.6%)
  • Lymphoma and hematopoietic (2.1%)
  • Germ cell tumors and cysts (0.4%)
  • Meningioma (36%)
  • Pituitary tumors (15.5%)
  • Glioblastoma multiforme (15.1%)
  • Nerve sheath tumors (8.1%)
  • Diffuse astrocytoma (2.3%)
  • Primary CNS lymphoma (2%)
  • Ependymal (1.9%)
  • Anaplastic astrocytoma (1.7%)
  • Pilocytic astrocytoma (1.4%)
  • Neuronal and neuronal mixed (1.2%)
  • Oligodendroglioma (1.1%)
  • Oligoastrocytoma (0.9%)
  • Craniopharyngioma (0.8%)
  • Anaplastic oligodendroglioma (0.5%)


Hemorrhoids HELLO HELLO


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