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An ependymoma is a tumor that arises from the ependyma, a tissue of the central nervous system. Usually, in pediatric cases the location is intracranial , while in adults it is spinal . The common location of intracranial ependymomas is the floor of the fourth ventricle .
Neurofibromatosis type II (also known as MISME syndrome – multiple inherited schwannomas, meningiomas, and ependymomas) is a genetic condition that may be inherited or may arise spontaneously, and causes benign tumors of the brain, spinal cord, and peripheral nerves.
Pediatric ependymomas are similar in nature to the adult form of ependymoma in that they are thought to arise from radial glial cells lining the ventricular system.However, they differ from adult ependymomas in which genes and chromosomes are most often affected, the region of the brain they are most frequently found in, and the prognosis of the patients.
A subependymoma is a type of brain tumor; specifically, it is a rare form of ependymal tumor. [1] They are usually in middle aged people. Earlier, they were called subependymal astrocytomas.
If a tumor is rapidly growing or causing symptoms of hydrocephalus, deferring surgery may lead to vision loss, need for ventricular shunt, and ultimately death. Total removal of the tumor is curative. Surgery to remove intraventricular tumors also carries risks of complications or death.
The ependyma is the thin neuroepithelial (simple columnar ciliated epithelium) lining of the ventricular system of the brain and the central canal of the spinal cord. [1] The ependyma is one of the four types of neuroglia in the central nervous system (CNS).
Neuro-oncology is the study of brain and spinal cord neoplasms, many of which are (at least eventually) very dangerous and life-threatening (astrocytoma, glioma, glioblastoma multiforme, ependymoma, pontine glioma, and brain stem tumors are among the many examples of these).
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. Neoplasm in the brain Medical condition Brain tumor Other names Intracranial neoplasm, brain tumour, brain cancer Brain metastasis in the right cerebral hemisphere from lung cancer, shown on magnetic resonance imaging Specialty Neurosurgery, neuro-oncology Symptoms Vary depending on the ...
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