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Meningioma, also known as meningeal tumor, is typically a slow-growing tumor that forms from the meninges, the membranous layers surrounding the brain and spinal cord. [1] Symptoms depend on the location and occur as a result of the tumor pressing on nearby tissue. [3] [6] Many cases never produce symptoms. [2]
Complications Bacterial meningitis or viral meningitis occurs in about 0.8 to 1.5% of individuals undergoing craniotomy. [1] Postcraniotomy pain is frequent and moderate to severe in nature.
Painless mass [1] Usual onset. 45 years of age (median) [1] A hemangiopericytoma is a type of soft-tissue sarcoma that originates in the pericytes in the walls of capillaries. When inside the nervous system, although not strictly a meningioma tumor, it is a meningeal tumor with a special aggressive behavior. It was first characterized in 1942.
News co-anchor, who also turned 40 today, revealed in People magazine last summer that she had undergone a seven-hour surgery to remove a benign, golf ball-size meningioma tumor from her brain.
A meningioma is a benign brain tumor. It originates from the arachnoid (not the dura), the tissue covering the brain and spinal cord lying deep to the dura. Meningiomas are much more common in females, and are more common after 50 years of age. Of all cranial meningiomas, about 20% of them are in the sphenoid wing.
The tumors grow from cells that surround the optic nerve, and as the tumor grows, it compresses the optic nerve. This causes loss of vision in the affected eye. [1] Rarely, it may affect both eyes at the same time. [2] It is typically a slow growing tumor, and has never been reported to cause death.
Lesser amount of tumor removal may increase likelihood of preservation of nerve function (hence better post-operative hearing), but also likelihood of tumor regrowth, necessitating additional treatment. Outcome and complications. The overall complication rate following surgery is around 20%; cerebrospinal fluid leak is the most common.
Histopathology of a brainstem glioma. A brainstem glioma is a cancerous glioma tumor in the brainstem. Around 75% are diagnosed in children and young adults under the age of twenty, but have been known to affect older adults as well. [1] Brainstem gliomas start in the brain or spinal cord tissue and typically spread throughout the nervous system.
The most common symptoms of leptomeningeal cancer are pain and seizures. The other symptoms may include headaches (usually associated with nausea, vomiting, light-headedness), gait difficulties from weakness or ataxia, memory problems, incontinence, and sensory abnormalities.
Dementia after radiotherapy and chemotherapy is a common outcome appearing two to four years following treatment. Side effects from radiation treatment can include cognitive impairment, psychiatric illness, bone growth retardation, hearing loss, and endocrine disruption.
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