title: [Light and electron microscopic observation on malignant lymphoma of the nasal cavity--a case report].
mesh_terms: D006801:Humans; D008223:Lymphoma / Q000473:pathology / Q000648:ultrastructure*; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009296:Nasal Cavity; D009669:Nose Neoplasms / Q000473:pathology / Q000648:ultrastructure*