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Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
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Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
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Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
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Marginal zone lymphomas.

Emanuele Zucca1,2,3, Davide Rossi1,2,3, Francesco Bertoni1,2,3

  • 1Oncology Institute of Southern Switzerland (IOSI), Ente Ospedaliero Cantonale (EOC), Bellinzona, Switzerland.

Hematological Oncology
|June 9, 2023
PubMed
Summary
This summary is machine-generated.

This review details marginal zone lymphoma (MZL) subtypes, their shared genetic alterations like NFkB pathway changes, and distinct mutations. It also covers MZL epidemiology, genetics, biology, and current management strategies.

Keywords:
extranodal MZL of MALT typemarginal zone lymphomanodal MZLsplenic MZL

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Area of Science:

  • Hematology
  • Oncology
  • Genetics

Background:

  • Marginal zone lymphoma (MZL) comprises three main types: extranodal (mucosa-associated lymphoid tissue), splenic, and nodal.
  • Common features include karyotype lesions (trisomies 3, 18; 6q23 deletions) and nuclear factor kappa B (NFkB) pathway alterations.

Purpose of the Study:

  • To summarize recent advances in MZL epidemiology, genetics, and biology.
  • To outline current management principles for MZL across different anatomic sites.

Main Methods:

  • Review of current lymphoma classifications.
  • Analysis of genetic alterations including karyotype, translocations, and mutations.
  • Synthesis of epidemiological and biological data.
  • Summary of standard treatment protocols.

Main Results:

  • MZL subtypes share common genetic lesions but differ in specific mutations (e.g., NOTCH2, KLF2, PTPRD) and translocations.
  • Understanding these genetic differences is crucial for diagnosis and potentially targeted therapy.
  • Epidemiology and biology of MZL are continually being elucidated.

Conclusions:

  • MZL is a heterogeneous group of lymphomas with distinct genetic profiles.
  • Advances in understanding MZL biology inform current management strategies.
  • Further research into specific genetic alterations may lead to novel therapeutic approaches.