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Radiation Therapy in Marginal Zone B-Cell Lymphomas

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Radiation Oncology

Abstract

Marginal zone lymphoma (MZL) is an indolent disease with a favorable prognostic outcome. MZLs account for 5–17% of all non-Hodgkin’s lymphomas (NHL) in adults. During the course of past years, the incidence of marginal zone lymphomas increased, caused by changes in diagnostic practice. MZLs represent a group of lymphomas which originate from memory B lymphocytes being present in the “marginal zone” of the secondary lymphoid follicles. Depending on the site of involvement of MZL cells, the International Lymphoma Study group differentiates MZL into three different subtypes: nodal MZL (10%), splenic MZL (20%), and the most frequent form of extranodal MZL (70%). Extranodal MZLs (ENMZLs) occur at any site of the body, with the stomach being the most common extranodal site, followed by ocular, bowel, lung, and salivary glands’ infiltration. They are generally associated with chronic antigenic stimulation as a result of infection or autoimmune disease. The clinical symptoms of ENMZL vary strongly depending on the different sites of lymphoma involvement. Most patients present with early-stage I or II ENMZL. Extranodal MZLs are treated with various modalities including surgical therapy, radiation therapy, and systemic therapy. Radiotherapy plays an important part in contributing to preservation of native organ function. Treatment with curative intent achieves high disease-free and overall survival rates and decreases the frequency of relapses.

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Correspondence to Gabriele Reinartz .

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© 2017 Springer International Publishing AG

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Reinartz, G., Weiglein, T., Dreyling, M., Oertel, M. (2017). Radiation Therapy in Marginal Zone B-Cell Lymphomas. In: Wenz, F. (eds) Radiation Oncology. Springer, Cham. https://doi.org/10.1007/978-3-319-52619-5_24-1

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  • DOI: https://doi.org/10.1007/978-3-319-52619-5_24-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-52619-5

  • Online ISBN: 978-3-319-52619-5

  • eBook Packages: Springer Reference MedicineReference Module Medicine

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