Definitions for neurinoma
neuri·no·ma

Princeton's WordNetRate this definition:0.0 / 0 votes

1. neurinomanoun

   tumor (usually benign) of the sheath surrounding a nerve

WikipediaRate this definition:0.0 / 0 votes

1. neurinoma

   A schwannoma (or neurilemmoma) is a usually benign nerve sheath tumor composed of Schwann cells, which normally produce the insulating myelin sheath covering peripheral nerves. Schwannomas are 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, degenerating into a form of cancer known as neurofibrosarcoma. These masses are generally contained within a capsule, so surgical removal is often successful.Schwannomas can be associated with neurofibromatosis type II, which may be due to a loss-of-function mutation in the protein merlin. They are universally S-100 positive, which is a marker for cells of neural crest cell origin. Schwannomas of the head and neck are a fairly common occurrence and can be found incidentally in 3–4% of patients at autopsy. Most common of these is a vestibular schwannoma, a tumor of the vestibulocochlear nerve that may lead to tinnitus and hearing loss on the affected side. Outside the cranial nerves, schwannomas may present on the flexor surfaces of the limbs. Rare occurrences of these tumors in the penis have been documented in the literature.Verocay bodies are seen histologically in schwannomas.

ChatGPTRate this definition:0.0 / 0 votes

1. neurinoma

   A neurinoma, also known as a schwannoma, is a benign tumor that arises from Schwann cells, which produce the protective myelin sheath that covers nerves. This type of tumor typically occurs in the nerves of the head and neck, the nerve that runs from the brain to the inner ear, and the nerves that control balance and hearing. Despite being benign, neurinomas can cause a range of issues depending on their size and location, including hearing loss, balance problems, and facial numbness.

Matched Categories

1. • Benign Tumor

How to pronounce neurinoma?

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Numerology

1. Chaldean Numerology

   The numerical value of neurinoma in Chaldean Numerology is: 9

2. Pythagorean Numerology

   The numerical value of neurinoma in Pythagorean Numerology is: 2