Symptoms Of Meningioma

Hearing Changes

Meningioma can cause hearing loss or hearing changes when the tumor affects the nerves that control hearing or the inner ear. Depending on the location of the tumor, hearing changes may include tinnitus in one or both ears or hearing loss. These changes in hearing may be caused by direct pressure from the tumor or an increase in pressure in craniospinal fluid.

Surgery to remove meningioma may restore some hearing loss, although not in every case. The larger the tumor is, the more difficult it usually is to restore hearing. Some patients can achieve normal hearing again after surgery, but others are left with some level of hearing loss or tinnitus.

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Seizures

A seizure can be a sign of meningioma. There are several forms of meningioma and many seizures that may occur. A myoclonic seizure refers to muscle twitches, spasms, and jerks. A grand mal or tonic-clonic seizure causes loss of consciousness and body functions. A sensory seizure causes changes in smell, vision, sensation, or hearing. A complex partial seizure can cause total or partial loss of consciousness.

A seizure is usually the result of convexity meningioma and falcine and parasagittal meningioma. Convexity meningioma accounts for twenty percent of meningioma cases and happens when the tumor grows on the brain's surface just under the skull. Falcine and parasagittal meningioma develop in or close to the falx, thin tissue separating the two sides of the brain.

Meningioma patients who are most at risk of a seizure are male, have brain edema, do not have migraines, or have meningioma not located at the base of the skull. According to one study, surgery was able to prevent a future seizure in about seventy percent of patients.

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