title: Benign nerve sheath neoplasm: a light microscopic and ultrastructural evaluation with differential diagnostic guidelines.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D009455:Neurofibroma / Q000473:pathology* / Q000648:ultrastructure; D014062:Tongue Neoplasms / Q000473:pathology* / Q000648:ultrastructure