Meningiomas are tumors that arise from the meninges, the membranous layers that cushion the central nervous system. The exact cause for these growths is not well understood, though experts know that genetics play a role. More than 90% of meningiomas are benign, and often do not cause any symptoms. However, depending on the proximity to structures within the brain, in some cases, symptoms occur that require radiosurgery or conventional surgery.
People with meningioma tend to experience frequent headaches, as often as several times a day, and over-the-counter painkillers may provide only temporary relief. This symptom often occurs because the tumor is either on the surface of the brain or in the intraventricular region. In the latter instance, the tumor blocks the flow of cerebrospinal fluid, causing pain people often describe as a dull throb or nagging heaviness. Headaches related to body positioning, those that wake you from sleep, and those that occur upon waking may be related to increased pressure within the skull and should be discussed with a doctor
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