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oligodendroglioma

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.02 sec.
oligodendroglioma /ol·i·go·den·dro·gli·o·ma/ (-den″dro-gli-o´mah) a neoplasm derived from and composed of oligodendrocytes in varying stages of differentiation.
ol·i·go·den·dro·gli·o·ma (l-g-dndr-gl-m, -gl-)
n.
A relatively rare and slow-growing glioma characterized by numerous small, round or ovoid oligodendroglial cells uniformly distributed in a sparse fibrillary stroma.

oligodendroglioma
[ol′igōden′drōglī·ō′mə] pl. oligodendrogliomas, oligodendrogliomata
Etymology: Gk, oligos + dendron, tree, glia, glue, oma, tumor
an uncommon brain tumor composed of nonneural ectodermal cells that form part of the supporting connective tissue around nerve cells. The lesion, a firm reddish-gray mass with calcified spots and a distinct margin, may be large. The tumor develops most often in frontal, parietal, and paraventricular sites but also may occur in the cerebellum. Also called oligodendroblastoma.

oligodendroglioma [ol″ĭ-go-den″dro-gli-o´mah]
a neoplasm derived from and composed of oligodendroglia.

oligodendroglioma, (ol´igōden´drōglēō´m),
n a relatively rare, moderately well-differentiated, relatively slow-growing glioma that occurs most frequently in the cerebrum of adults. It is grossly homogeneous, fairly well-circumscribed, moderately firm, and somewhat gritty in consistency, with interstitial calcification sufficiently dense to allow detection by radiographic imaging of the skull.

oligodendroglioma
a neoplasm derived from and composed of oligodendroglia.


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Radiation to the head An inherited (genetic) risk HIV infection Meningioma Neuroblastoma Oligodendroglioma Pineoblastoma Immune System Disorders People with impaired immune systems have an increased risk of developing lymphomas of the brain or spinal cord.
Doctors described it as an anaplastic oligodendroglioma or adult tumour.
The cause of the recurrent SAH is determined on imaging in only 50% of cases (3) and includes dural pathology, postsurgical CSF cavity with neovascularity, bleeding central nervous system (CNS) tumours (ependymoma, oligodendroglioma and astrocytoma), vascular malformations (arteriovenous malformations and cavernous malformation near the brain's surface), aneurysms, and in the spinal cord--tumours, arteriovenous malformations and traumatic nerve root avulsion.
 
 
 
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