Brain Tumor Definition and Treatment PDF

Definition of brain tumor? A brain tumor is an abnormal mass of cells in or around brain that may originate in the brain or spread (metastasized) to the brain from another part of the body What are the possible causes of brain tumor?  Inherited or genetic conditions  Defective immune sys...

Definition of brain tumor? A brain tumor is an abnormal mass of cells in or around brain that may originate in the brain or spread (metastasized) to the brain from another part of the body What are the possible causes of brain tumor?  Inherited or genetic conditions  Defective immune system.  Head injury.  Exposure to very high doses of radiation to the head. What is the classification of brain tumor?  Primary brain tumors  Secondary brain tumors What are the most common primary tumors?  Meningiomas form in the meninges, the protective lining of the brain.  Pituitary adenoma develop in the pituitary gland.  Medulloblastoma tumors arise from the cerebellum or brainstem  Acoustic neuroma is a tumor of eighth cranial nerve  Lymphoma that originates in the central nervous system (primary brain lymphoma)  Hemangioblastomas that originate in blood vessels What are the symptoms of increased intracranial pressure caused by progressive compression of the brain by the enlarged tumor?  Headache, worse in the morning.  Projectile vomiting, not preceded by nausea.  Visual disturbance "blurred vision" What are the local symptoms of a brain tumor ?  Seizures or convulsions  Difficulty thinking or speaking  Personality or behavior changes  Weakness, numbness or paralysis in one part or one side of the body  Loss of hearing  Vision changes  Confusion and disorientation  Memory loss  Sensory and motor abnormalities: Impair the ability to feel heat, cold, pressure, a light touch, or sharp objects What are the methods of diagnosing brain tumor?  A neurological exam  Magnetic resonance  A spinal tap (lumbar puncture)  A biopsy of the tumor What are the treatment methods of brain tumors?  Drug therapy.  Surgery  Radiation therapy.  Radiosurgery  Brachytherapy  Chemotherapy Definition of radiation therapy ? he is High dose of X-rays destroy brain tumor cells or shrink the tumor