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Light chain multiple myeloma is diagnosed in patients who have: a) the criteria for diagnosis of multiple myeloma except having a serum free light chain ratio outside the normal range of 0.26 to 1.65 without evidence of an intact immunoglobulin or free heavy chain; or b) an extreme free light chain ratio, i.e. outside the range of 0.02 to 100 ...
Myeloproliferative neoplasms (MPNs) are a group of rare blood cancers in which excess red blood cells, white blood cells or platelets are produced in the bone marrow. Myelo refers to the bone marrow, proliferative describes the rapid growth of blood cells and neoplasm describes that growth as abnormal and uncontrolled.
As of 2014 the diagnostic criteria were expanded and updated by the IMWG (International Myeloma Working Group) to add three myeloma-defining events, any one of which indicates the presence of active multiple myeloma. Each of these three events may occur before any of the CRAB criteria appears, thereby making more people eligible for treatment ...
Secondary PCL (sPCL) is diagnosed in 1-4% of patients known to have had multiple myeloma for a median time of ~21 months. It is the terminal phase of these patients' myeloma disease. sPCL patients typically are highly symptomatic due to extensive disease with malignant plasma cell infiltrations in, and failures of, not only the bone marrow but also other organs.
Monoclonal gammopathy of undetermined significance (MGUS) is a plasma cell dyscrasia in which plasma cells or other types of antibody-producing cells secrete a myeloma protein, i.e. an abnormal antibody, into the blood; this abnormal protein is usually found during standard laboratory blood or urine tests.
Around 35,000 multiple myeloma cases are reported each year in the U.S. Older adults, men and people with obesity have a higher risk of the disease, though doctors are still trying to understand ...
Smouldering myeloma is a disease classified as intermediate in a spectrum of step-wise progressive diseases termed plasma cell dyscrasias.In this spectrum of diseases, a clone of plasma cells secreting monoclonal paraprotein (also termed myeloma protein or M protein) causes the relatively benign disease of monoclonal gammopathy of undetermined significance.
It was established as Clinical Lymphoma in 2000, renamed to Clinical Lymphoma & Myeloma in 2005 and obtained its current name in 2010. The journal covers research on detection, diagnosis, prevention, and treatment of lymphoma, myeloma, leukemia, and related disorders, including macroglobulinemia, amyloidosis, and plasma-cell dyscrasias.