MedGen

Multiple myeloma is a neoplastic plasma cell disorder characterized by clonal proliferation of malignant plasma cells in the bone marrow microenvironment, monoclonal protein in the blood or urine, and associated organ dysfunction (Palumbo and Anderson, 2011). [from OMIM]

Sudden loss of renal function, as manifested by decreased urine production, and a rise in serum creatinine or blood urea nitrogen concentration (azotemia). [from HPO]

A clonal proliferation of immunoglobulin-secreting plasma cells. This category includes plasma cell myeloma, plasma cell leukemia, plasmacytoma, monoclonal immunoglobulin deposition disease, and monoclonal gammopathy of undetermined significance. [from NCI]

An abnormal laboratory test result indicating the presence of monoclonal immunoglobulins in the blood or urine. [from NCI]

Rheumatic fever (RF) is a multisystem inflammatory disease occurring as a post-infectious, nonsuppurative sequela of untreated streptococcus pyogenes (Group A streptococcus [GAS]) pharyngitis, and mainly occurs in individuals aged 5 to 15 years. The most common presenting signs are fever, migratory polyarthritis and carditis. [from ORDO]

A condition in which an abnormal amount of a single immunoglobulin is present in the serum. This category includes IgM monoclonal gammopathy of undetermined significance and non-IgM monoclonal gammopathy of undetermined significance. Up to 25% of cases of monoclonal gammopathy of undetermined significance progress to a B-cell malignancy or myeloma. [from NCI]

A pathological process with signs indicating it may become cancerous. Representative examples include leukoplakia, dysplastic nevus, actinic keratosis, xeroderma pigmentosum, and intraepithelial neoplasia. [from NCI]

Pathological processes involving the integrity of blood circulation. Hemostasis depends on the integrity of blood vessels, blood fluidity, and blood coagulation. Majority of the hemostatic disorders are caused by disruption of the normal interaction between the vascular endothelium, the plasma proteins (including blood coagulation factors), and platelets. [from MONDO]

An abnormal immunoglobulin or part of an Ig (light chain) in the circulation. Paraproteins are typically produced by a clonal population of B-cell derived plasma cells. [from HPO]