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- Title
Klinisches Update – Multiples Myelom.
- Authors
Goldschmidt, Hartmut
- Abstract
Clinical issue: Multiple myeloma (MM) is a malignancy of hematopoetic system and is associated with destruction of bone, suppressed bone marrow function and renal failure. It is characterized by strong proliferation of malignant plasma cells. Standard treatment: Classic therapies contained an alkylating agent and a glucocorticoid. In the 1990s, treatments were supplemented with transplantation of peripheral blood stem cells. Treatment innovations: During the 2000s, new therapies emerged, combining an immunomodulator (thalidomide, lenalidomide or pomalidomide), a proteasome inhibitor (bortezomib, carfilzomib or ixazomib), and a monoclonal antibody against CD38. Currently, antibodies against BCMA (B-cell maturation antigen), bispecific antibodies, and CAR T‑cell (chimeric antigen receptor T cells) therapies are being investigated in clinical trials. Diagnostic work-up: Classic diagnostics were based on end-organ damage, e.g., bone destruction, and estimated tumor load. Since 2014, new criteria for an earlier start of therapy were introduced—concentration of antibody light chains in blood serum, bone marrow lesions and its infiltration by malignant plasma cells. These lesions (clusters of myeloma cells) can be detected by magnetic resonance imaging (MRI) or positron emission tomography/computed tomography (PET/CT). Both methods are also used to monitor therapy response. Traditional X‑ray imaging has been replaced by the more gentle, low-dose CT. The standard diagnostic process is extended by cytogenetic examination of bone marrow samples via imaging fluorescent in situ hybridization (iFiSH) to identify patients at high risk. Performance: While most MM patients could be treated only palliatively until the 1990s, the prognosis has continuously improved since then. Nowadays, MM can be classified as a chronic disease.
- Publication
Der Radiologe, 2022, Vol 62, Issue 1, p3
- ISSN
0033-832X
- Publication type
Article
- DOI
10.1007/s00117-021-00941-0