Primary brain tumors are tumors that arise within the brain or brain’s immediate surroundings. It can be any tissue located in the brain including central nervous system tissues (gliomas), pituitary gland (pituitary adenomas), pineal gland (pineocytomas), brain blood vessels (hemangioblastomas), etc.
Here is an example of Primary Brain Tumors. They are categorized into two groups based on their aggressiveness and malignant potential.
Benign Brain Tumors
Glomus tumor e.g., Glomus jugulare
Schwannomas e.g., Acoustic neuromas
Malignant Brain Tumors
Gliomas e.g., Astrocytomas, Ependymomas, Glioblastoma multiforme, Medulloblastomas, Oligodendrogliomas