title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 16-1999. A 71-year-old man with progressive weakness and a gammopathy.
mesh_terms: D000368:Aged; D001856:Bone Marrow Examination; D003937:Diagnosis, Differential; D017809:Fatal Outcome; D005732:Gangliosides / Q000737:chemistry / Q000276:immunology; D006801:Humans; D006942:Hypergammaglobulinemia / Q000209:etiology; D007074:Immunoglobulin G / Q000134:cerebrospinal fluid; D007075:Immunoglobulin M / Q000097:blood / Q000134:cerebrospinal fluid; D015451:Leukemia, Lymphocytic, Chronic, B-Cell / Q000150:complications / Q000276:immunology / Q000473:pathology*; D008297:Male; D018908:Muscle Weakness / Q000209:etiology*; D008258:Waldenstrom Macroglobulinemia / Q000150:complications / Q000276:immunology / Q000473:pathology*
chemical_list: D005732:Gangliosides; D007074:Immunoglobulin G; D007075:Immunoglobulin M