neurinoma

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neurilemoma

 [noor″ĭ-lĕ-mo´mah]
a tumor of a neurilemma (peripheral nerve sheath); called also schwannoma and neurinoma.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

neu·ri·no·ma

(nū'ri-nō'mă),
Obsolete term for schwannoma.
Farlex Partner Medical Dictionary © Farlex 2012

neu·ri·no·ma

(nūr'i-nō'mă)
Obsolete term for schwannoma
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

neu·ri·no·ma

(nūr'i-nō'mă)
Obsolete term for schwannoma
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about neurinoma

Q. Anybody familiar with schwannoma?

A. A schwannoma is a kind of tumor originating from the Schwann cells. The insulating myelin sheath which covers peripheral nerves is produced by the Schwann cells. Hence, one kind of tumor originating from the Schwann cells is called a schwannoma.

Schwannomas are very homogeneous tumors consisting only of Schwann cells. The tumor cells always stay on the outside of the nerve, but the tumor itself may either push the nerve aside and/or up against a bony structure (thereby possibly causing damage). Schwannomas are relatively slow growing. For reasons not yet understood, schwannomas are mostly benign and less than 1% become malignant (degenerate into cancer). This form of cancer is known as malignant peripheral nerve sheath tumour or malignant Schwannoma or neurofibrosarcoma.

Schwannomas can arise from a genetic disorder called neurofibromatosis.

More discussions about neurinoma
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