title: [Acquired peripheral neuropathies associated with monoclonal gammopathy].
abstract: Monoclonal gammopathy is responsible for about 10% of acquired peripheral neuropathies of unknown origin. Monoclonal gammopathy is the result of uncontrolled proliferation of a single clone of plasma cells producing the first class of immunoglobulin (M-protein). The routine diagnostic process of peripheral neuropathy requires electrophysiological studies and several laboratory tests, including the immunoelectrophoresis or immunofixation of serum proteins. Monoclonal gammopathies develop in malignancy, immunological disorders, chronic infections and as so-called "benign form" or monoclonal gammopathy of undetermined significance (MGUS). Lymphoproliferative malignancy may develop in MGUS after many years of disease. Patients with MGUS-associated neuropathy should be carefully evaluated, and if malignancy is not found the progress of the disease should be monitored. We present four patients with peripheral neuropathy associated with monoclonal gammopathy. These cases represent different forms of this type of neuropathy and well illustrate the necessity of looking for monoclonal gammopathies in peripheral neuropathy.
authors.affiliation: Kliniczny Oddział Chorób Układu Pozapiramidowego, Uniwersytet Medyczny w Łodzi, Wojewódzki Szpital Specjalistyczny im. M. Skłodowskiej-Curie w Zgierz. agata-gajos@wp.pl
authors.forename: Agata
authors.initials: A
authors.lastname: Gajos
authors.forename: Wojciech
authors.initials: W
authors.lastname: Kieliś
authors.forename: Iwona
authors.initials: I
authors.lastname: Szadkowska
authors.forename: Ewa
authors.initials: E
authors.lastname: Chmielowska
authors.forename: Aleksander
authors.initials: A
authors.lastname: Niewodniczy
authors.forename: Andrzej
authors.initials: A
authors.lastname: Bogucki
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A / Q000097:blood; D007074:Immunoglobulin G / Q000097:blood; D007075:Immunoglobulin M / Q000097:blood; D007145:Immunoglobulin kappa-Chains / Q000097:blood*; D007146:Immunoglobulin lambda-Chains / Q000097:blood*; D008297:Male; D008875:Middle Aged; D010265:Paraproteinemias / Q000150:complications* / Q000175:diagnosis* / Q000628:therapy; D010523:Peripheral Nervous System Diseases / Q000209:etiology*; D016896:Treatment Outcome
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007145:Immunoglobulin kappa-Chains; D007146:Immunoglobulin lambda-Chains