ependymoma


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ependymoma

 [ĕ-pen″dĭ-mo´mah]
a tumor composed of differentiated ependymal cells; most are slow growing and benign, but occasionally one is malignant.

e·pen·dy·mo·ma

(ĕ-pen'di-mō'mă),
A glioma derived from relatively undifferentiated ependymal cells, comprising approximately 1-3% of all intracranial neoplasms; ependymomas occur in all age groups and may originate from the lining of any of the ventricles or, more commonly, from the central canal of the spinal cord; histologically, the neoplastic cells tend to be arranged radially about blood vessels, to which they are attached by means of fibrillary processes.

ependymoma

/epen·dy·mo·ma/ (ĕ-pen″dĭ-mo´mah) a neoplasm, usually slow growing and benign, composed of differentiated ependymal cells.

ependymoma

[ipen′dimō′mə]
Etymology: Gk, ependyma, an upper garment, oma, tumor
a neoplasm composed of differentiated cells of the ependyma. The tumor, which is usually a benign pale, firm, encapsulated, somewhat nodular mass, commonly arises from the roof of the fourth ventricle and may extend to the spinal cord. Primary lesions may also develop in the spinal cord. Also called ependymocytoma.
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Ependymoma

ependymoma

Ependymal tumor Neurology An indolent ependymal cell–brain tumor, that arises in the walls of the ventricles–lateral, 3rd, 4th and central canal of the spinal cord. See Myxopapillary ependymoma.

e·pen·dy·mo·ma

(ĕ-pen'di-mō'mă)
A glioma derived from relatively undifferentiated ependymal cells; ependymomas may originate from the lining of any of the ventricles or, more commonly, from the central canal of the spinal cord.

ependymoma

A tumour of the supporting (glial) tissue of the brain. See also GLIOMA.

e·pen·dy·mo·ma

(ĕ-pen'di-mō'mă)
Glioma derived from relatively undifferentiated ependymal cells, comprising approximately 1-3% of all intracranial neoplasms; occurs in all age groups and may originate from the lining of any of the ventricles or, more commonly, from the central canal of the spinal cord.

ependymoma

fleshy masses protruding into the third ventricles, the central canal in the medullary region or the central spinal canal; arise from the ependyma.
References in periodicals archive ?
One variant, clear cell ependymoma, preferentially arises within the supratentorial compartment and is the most common histopathologic pattern of intraparenchymal midline supratentorial ependymomas in children.
Spinal tanycytic ependymoma associated with neurofibromatosis type 2.
Radiologically, the differential diagnoses to be considered include diffuse astrocytomas and ependymomas, since they are the most frequent intramedullary lesions and usually have a cystic component (6).
One case of central neurocytoma was reported on FS as a low-grade glioma favoring ependymoma [Figure 4 a and b].
The goal of Sawyerfest is to raise awareness and funds to support the fight against ependymoma.
Correlation of bcl-2, p53 and MIB-1 expression with ependymoma grade and subtype.
Characteristic Controls ALL AML NHL Ependymoma n 80,224 1,280 229 78 125 Mother's race/ethnicity (%) Non-Hispanic 30.
For children with medulloblastoma, ependymoma and high grade glioma (17-19), the extent of resection correlates with prognosis.
The most common primary spinal cord tumour in adults is ependymoma.
Doctors discovered eight-year-old Liam had the aggressive tumour, called an anaplastic ependymoma, after he was knocked down by a car on the way home from school in January.
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