subependymal giant cell astrocytoma


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Related to subependymal giant cell astrocytoma: subependymoma

sub·ep·en·dy·mal gi·ant cell as·tro·cy·to·ma

a rare astrocytoma, frequently located in the wall of the lateral ventricle, composed of large glial cells with abundant eosinophilic cytoplasm and intermixed elongated astrocytes, associated with tuberous sclerosis.

subependymal giant cell astrocytoma

An astrocytoma that arises from the cells that line the ventricles of the brain. It is the typical tumor affecting children with tuberous sclerosis.
Synonym: intraventricular astrocytoma
See also: astrocytoma
References in periodicals archive ?
Renal angiomyolipomas, cardiac rhabdomyomas, and subependymal giant cell astrocytomas are commonly observed in patients with tuberous sclerosis.
Everolimus was approved for the treatment of subependymal giant cell astrocytomas.
Surgical treatment of subependymal giant cell astrocytoma in tuberous sclerosis complex patients," Pediatric Neurology, vol.
Subependymal giant cell astrocytomas appear inhomogeneous, with intense enhancement after the administration of contrast material.
Sudden death in epilepsy due to an isolated subependymal giant cell astrocytoma of the septum pellucidum.
Neuroimaging results were available in 115 infants, of whom 94% had tubers or cortical dysplasias, 90% had SENs, and 89% had both; 6% had subependymal giant cell astrocytomas.
The term 'glioma' includes all the tumours arises from glial cells, including grades I, pilocytic astrocytomas, pleomorphic xanthoastrocytomas, and subependymal giant cell astrocytomas, grade II oligodendrogliomas and astrocytomas, grade III anaplastic oligodendrogliomas, anaplastic astrocytomas, anaplastic oligoastrocytomas, anaplastic ependymomas and grade IV glioblastoma multiform (GBM).
40) Subependymal giant cell astrocytomas (SEGAs) are a major feature of TSC.
These imaging features distinguish nodules from the subependymal giant cell astrocytomas seen in 15% of patients with tuberous sclerosis (most commonly near the foramen of Monroe).