meningioma


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meningioma

[mə‚nin·jē′ō·mə]
(medicine)
A localized tumor composed of meningeal cells, involving the meninges and other central nervous system structures. Also known as meningothelioma.
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Meningiomas are usually benign, slow-growing tumors that originate from arachnoid cap cells (1).
Primary intraosseous meningioma of the calvaria: Analysis of the literature and case report.
11) A compressive meningioma in the parieto-occipital region, as occurred in the patient presented here, will affect the optic radiations giving rise to the characteristic quadrantanopic field defect.
The diagnosis of ectopic meningioma at this location is difficult as other tumours like paraganglioma, schwanomma and pleomorphic adenoma can mimic the cytologic findings and hence are preferably considered [1].
Your uninformed 'brain tumor' announcement has undone years of progress on awareness of meningiomas," wrote user Carolyn Freeman Simerley Forshee.
Clear cell meningioma is a variant of meningiomas classified as WHO grade II for its propensity to recur.
In meningioma cells, Baia studied the activation of a protein called YAP1, for Yes-associated protein 1, which is regulated by Hippo.
An increased risk of meningioma was also linked to "panorex", or "panoramic" X-rays which provide a broad view of the jaws, teeth and nasal area.
My dad has been diagnosed with a brain tumour called a meningioma.
Twenty-seven cases of WHO grade I meningiomas would have increased in grade to atypical meningiomas (WHO grade II), and one atypical meningioma would have increased to anaplastic meningioma (WHO grade III).
The results, published in May 2010 in the peer-reviewed International Journal of Epidemiology, indicated no increased risk of developing two of the most common types of brain tumors, glioma and meningioma, from typical everyday cell phone usage.
It is important to differentiate the rare diaphragma sellae meningioma from the pituitary adenoma; because their surgical approach is different.