angioblastic meningioma


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meningioma

 [mĕ-nin″je-o´mah]
a hard, usually vascular tumor occurring mainly along the meningeal vessels and superior longitudinal sinus, invading the dura and skull and leading to erosion and thinning of the skull.
angioblastic meningioma angioblastoma (def. 2).

angioblastic meningioma

a tumor of the blood vessels of the meninges covering the spinal cord or the brain.

meningioma

a common, well-defined, firm intracranial neoplasm of animals arising from leptomeningeal cells, which occurs in basal locations, over the cerebral, cerebellar convexities, and in the spinal cord. One subtype is characterized by psammoma bodies (central calcified material).

angioblastic meningioma
angioblastoma.
epithelioid meningioma
see meningotheliomatous meningioma (below).
meningotheliomatous meningioma
a diffusely cellular mesodermal tumor with cells in sheets or in pseudoalveoli.
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