Schwannoma

**Semantic type:** Neoplastic Process

**Definition:** A benign, usually encapsulated slow growing tumor composed of Schwann cells. It affects peripheral and cranial nerves. It recurs infrequently and only rare cases associated with malignant transformation have been reported.

**Synonyms:** - Benign Neurilemmoma - Benign Schwannoma - Neurilemmoma - Neurilemmoma - Neurinoma - Neurinoma - Neurinoma - SCHWANNOMA, BENIGN - Schwannoma (WHO Grade I) - Schwannoma (Who Grade I) - Schwannoma, NOS - schwannoma