Narrower Terms:

Scope Note:

moderately firm, benign, encapsulated tumor resulting from proliferation of Schwann cells and fibroblasts that includes portions of nerve fibers; tumors usually develop along peripheral or cranial nerves and are a central feature of neurofibromatosis 1, where they may occur intracranially or involve spinal roots. pathologic features include fusiform enlargement of the involved nerve.

Term Number:

2012-7305