schwannoma (redirected from granular cell schwannoma)

schwannoma /schwan·no·ma/ (shwahn-o´mah) a neoplasm originating from Schwann cells (of the myelin sheath) of neurons; schwannomas include neurofibromas and neurilemomas.

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granular cell schwannoma  see under tumor.

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schwan·no·ma (shwä-nm)

n.

1. See neurofibroma.

2. See neurilemoma.

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Schwannoma

A tumor derived from the cells of the myelin sheath that surrounds many nerve cells.

Mentioned in: Acoustic Neuroma

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schwannoma

[shwonō′mə] pl. schwannomas, schwannomata

Etymology: Theodor Schwann; Gk, oma, tumor

a benign, solitary, encapsulated tumor arising in the neurilemma (Schwann's sheath) of peripheral, cranial, or autonomic nerves. Also called neurilemoma, Schwann cell tumor.

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schwannoma [shwah-no´mah]

1. a neoplasm originating from Schwann cells of neurons; schwannomas include neurofibromas and neurilemomas.

2. neurilemoma.

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schwannoma (shwänō´m),

n See neurilemoma.

schwannoma, malignant,

n See sarcoma, neurogenic.

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schwannoma

a neoplasm originating from Schwann cells (of the myelin sheath). Most occur in the skin, but they are also found in nerve trunks and roots. The Schwann cell is also a component of neurofibromas. Called also neurilemmoma.

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cardiac schwannoma

single or multiple round or nodular masses on the epicardial surface or within the myocardium.

granular cell schwannoma

see granular cell tumor.

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Patient discussion about schwannoma.

Q. Anybody familiar with schwannoma?

A. Well, not personally, but generallly it's a tumor of the envelopes of the nerves. You can start with reading about it here (http://en.wikipedia.org/wiki/Schwannoma) and about the more commomn type, the one that affects the nerves of hearing and the face, you can read here (http://en.wikipedia.org/wiki/Acoustic_neuroma).