ependymoma


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ependymoma

[e‚pen·də′mō·mə]
(medicine)
A tumor of the central nervous system whose essential portion consists of cells derived from and resembling ependymal cells. Also known as medulloepithelioma.
References in periodicals archive ?
One case of spinal astrocytoma was diagnosed as ependymoma on crush cytology, while one case each of cerebellopontine angle schwannoma and cerebellar hemangioblastoma were misinterpreted as meningioma and benign mesenchymal tumor, respectively [Table 3].
In the paediatric brain tumour population, clinical trials are under way to better understand the effects of TTFs on recurrent high grade gliomas and ependymomas.3 One case report is present in the current literature of a 13-year old patient with GBM who progressed through surgical resection, radiotherapy and chemotherapy.
Most of those cases were astrocytomas followed by few cases of oligodendrogliomas which showed positive expression, as were all the cases of ependymoma and oligoastrocytoma.
The histogenesis of this kind of tumor is still uncertain, but ultrastructural data indicate a possible derivation from ependymal cells (6, 7, 10), which may represent a subtype of ependymoma (7, 10).
Symptomatic delayed trans-dural herniation and strangulation of cauda equinae following resection of Myxopapillary ependymoma. Br J Neurosurg.
Lilwen Davies, seven, was first diagnosed with an aggressive grade three ependymoma aged three after a visit to A&E.
Furthermore, H3K27M-positive ependymoma is a rare but distinct entity.
Ependymoma is the third most common pediatric primary brain tumor and accounts for about 10% of pediatric central nervous system (CNS) neoplasms [1].
Bodie's cancer was diagnosed as grade 3 anaplastic posterior fossa ependymoma.
On the other hand 15 (30%) patients from infratentorial group were found to have three characteristic type of tumors including medulloblastoma, ependymoma and astrocytoma.