title: [Immunohistochemical study of 22 cases of extramedullary plasmacytoma].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006258:Head and Neck Neoplasms / Q000276:immunology / Q000473:pathology*; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007150:Immunohistochemistry; D008297:Male; D008875:Middle Aged; D010954:Plasmacytoma / Q000276:immunology / Q000473:pathology*; D011379:Prognosis
chemical_list: D007074:Immunoglobulin G