Brain Tumor Primary Adults Surgery You Should Know. What Causes A Brain Tumor? Most brain tumors in children originate when a normal cell begins to grow abnormally and reproduce too rapidly. Eventually these cells develop into a mass called a tumor. The exact cause of this abnormal growth is unknown, though research continues on possible genetic and environmental causes. Some kids are more susceptible to developing brain tumors due to certain genetic conditions. Diseases such as neurofibromatosis, von Hippel-Lindau disease, Li-Fraumeni syndrome, and retinoblastoma are all associated with a higher risk of brain tumors. Signs And Symptoms A brain tumor can cause symptoms in a number of ways: by directly destroying brain cells, by causing swelling at the tumor site, by causing a buildup of fluid in the brain (hydrocephalus), and by increasing pressure within the skull. A range of symptoms can develop as a result.
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