label: Oral Cavity Granular Cell Tumor
label_lc: oral cavity granular cell tumor
description: A rare neoplasm that arises from the oral cavity, usually the tongue.  It is characterized by the presence of plump eosinophilic cells with abundant granular cytoplasm.  The neoplastic cells extend into the surrounding tissues, usually skeletal muscle.  The vast majority of cases follow a benign clinical course.  Recurrences are rare after removal of the tumor.