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Created 13 mins ago. Terms in this set (4) DEFINITION. Derived from ependymal cells that line the ventricular surface. Arise from the wall of the fourth ventricle in the posterior fossa. EPIDERMIOLOGY. Peak incidence-children and young adults. CLINICAL FEATURES. Initial symptoms: Obstruction of CSF flow resulting hydrocephalus.
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16 Οκτ 2019 · Ependymomas are glial cell tumors that commonly arise in the lining cells of the ventricular system, and less commonly outside the central nervous system (CNS), or within the brain parenchyma. They are comprised of genetically distinct subgroups of tumors and affect children more commonly than adults.
21 Απρ 2023 · Ependymoma is a growth of cells that forms in the brain or spinal cord. The cells form a mass called a tumor. Ependymoma begins in the ependymal cells. These cells line the passageways that carry cerebrospinal fluid. This fluid surrounds and protects the brain and spinal cord.
1 Ιουλ 2024 · Genetics. People with a genetic disease called neurofibromatosis type 2, which cause tumors to form on nerve tissue, have a significantly increased chance of developing an ependymoma. NF2 is inherited genetically, and those with the disease have an increased chance of developing many other types of CNS tumors.
Abstract. Ependymomas are rare central nervous system tumours that can arise in the brain's supratentorial region or posterior fossa, or in the spinal cord. In 1924, Percival Bailey published the first comprehensive study of ependymomas.
