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Related Experiment Videos

Mucosa-associated lymphoid tissue lymphoma.

Andrew Charles Wotherspoon1, Ahmet Dogan, Ming-Qing Du

  • 1Department of Histopathology, Royal Marsden Hospital, London, UK. Andrew.Wotherspoon@rmh.nthames.nhs.uk

Current Opinion in Hematology
|December 26, 2001
PubMed
Summary

Mucosa-associated lymphoid tissue (MALT) lymphoma understanding has advanced, with t(11;18) predicting poor response to H. pylori eradication. Superficial MALT lymphomas may benefit from local interferon-alpha injections.

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Area of Science:

  • Oncology
  • Immunology
  • Gastroenterology

Background:

  • Mucosa-associated lymphoid tissue (MALT) lymphoma arises at extranodal sites with inflammation.
  • Pathogenesis involves molecular events like t(11;18) and Bcl-10 alterations.
  • Gastric MALT lymphoma is often linked to Helicobacter pylori infection.

Purpose of the Study:

  • To review advances in MALT lymphoma understanding, focusing on pathogenesis and treatment prediction.
  • To explore factors predicting response to H. pylori eradication in gastric MALT lymphoma.
  • To discuss alternative treatments for superficial MALT lymphomas.

Main Methods:

  • Review of literature on MALT lymphoma pathogenesis and molecular events.
  • Analysis of studies investigating predictors of H. pylori eradication response.

Related Experiment Videos

  • Examination of alternative treatment modalities for superficial MALT lymphomas.

    • Main Results:

    • t(11;18) translocation and Bcl-10 alterations are key molecular events in MALT lymphoma development.
    • H. pylori eradication can lead to tumor regression, but some cases are resistant.
    • The t(11;18) translocation predicts a lack of response to H. pylori eradication.
    • Endoscopic ultrasound depth of infiltration has variable predictive value for treatment response.
    • Local interferon-alpha injections show promise for treating superficial MALT lymphomas.

    Conclusions:

    • Understanding MALT lymphoma pathogenesis has improved significantly.
    • Predicting treatment response is crucial for optimizing patient management.
    • t(11;18) is a key predictor for non-response to H. pylori eradication.
    • Interferon-alpha offers a potential alternative treatment for superficial MALT lymphomas.