title: Pathology quiz case 1: plasmacytoma (extension from bone involvement).
mesh_terms: D000368:Aged; D001859:Bone Neoplasms / Q000175:diagnosis / Q000473:pathology*; D005260:Female; D005546:Forehead; D006801:Humans; D010954:Plasmacytoma / Q000175:diagnosis / Q000473:pathology*