title: Monoclonal cryoimmunoglobulinemia of IgG4 subclass specificity.
abstract: Authors demonstrated the prevalence of an unusual cryoimmunoglobulin with IgG4 subclass specificity in the blood of a patient with malignant lymphoproliferative disease. They provide the case history, results of immunochemical studies, and cytological and ultrastructural findings of the bone marrow.
mesh_terms: D001853:Bone Marrow / Q000473:pathology / Q000648:ultrastructure; D003449:Cryoglobulinemia / Q000175:diagnosis / Q000276:immunology* / Q000473:pathology; D005260:Female; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis*; D008854:Microscopy, Electron; D008875:Middle Aged; D010265:Paraproteinemias / Q000276:immunology*
chemical_list: D007074:Immunoglobulin G