Let's define first what is brain tumor-pertains to a group of similar cells that has abnormal cell division and growth patterns and develop into a mass of cells that microscopically do not have the appearance and characters of a cancer. The cause of brain tumor are the following:
1. meningioma-or a tumor occuring from the membrane covering the spinal cord and brain.
2. pituitary adenomas-a type of tumor arising from the pituitary gland.
3.craniopharyngioma- a type of tumor that has a cystic cell remnants of Rathke's pouch (nasopharynx)
4. schwannoma (also known as acoustic neuroma) - it is a type of tumor in the 8th cranial nerve arising from Schwann cells (insulating cells of the nervous system);
5. choroid plexus papilloma -choroid plexus tissue or the tissue responsible for the production of cerebrospinal fluid mass that primarily responsible in blocking CSF fluid floW, and it is more common among children.