granular cell tumor
Definition: a microscopically specific, generally benign tumor, often involving peripheral nerves in skin, mucosa, or connective tissue, derived from Schwann cells; the abundant cytoplasm contains lysosomal granules, the cells infiltrate between adjacent tissues although growth is slow, and adjacent surface epithelium may show hyperplasia.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.