Zusammenfassung
Das Marginalzonen B-Zell-Lymphom vom MALT-Typ (MZBL, MT) ist ein häufig im Magen lokalisiertes, niedrig malignes B-Zell-Lymphom mit typischer Morphologie und Zytogenetik. Daneben existieren das gastrointestinale diffuse großzellige B-Zell-Lymphom (DLBCL) und Kompositlymphome (ComL) mit koexistenter groß- und kleinzelliger Zytologie, die aufgrund dessen ein faszinierendes Modell hinsichtlich der Lymphomprogression darstellen. Im vorliegenden Review werden die wichtigsten aktuellen Aspekte zur molekularen Charakterisierung der MZBL, MT und der gastrointestinalen DLBCL sowie einer Relation dieser Lymphomentitäten untereinander zusammengefasst, die sie klar von den nodalen DLBCL abgrenzen.
Abstract
The marginal zone B-cell lymphoma, MALT-type (MZBL, MT) is a low-grade B-cell lymphoma which is predominantly localised in the stomach with a typical morphology and cytogenetic pattern. The coexistence of a diffuse large B-cell lymphoma (DLBCL) with an MZBL, MT in the gastrointestinal tract is defined as a composite lymphoma (ComL) and represents a fascinating model of lymphoma progression. In this review we focus on current aspects regarding the molecular characterisation of MZBL, MT and gastrointestinal DLBCL and their mutual relationships.
Schlüsselwörter
MALT-Lymphom - gastrales DLBCL - Molekularbiologie
Key words
MALT lymphom - gastric DLBCL - molecular biology
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Lucia Floßbach
Institut für Pathologie, Universitätsklinikum Ulm
Albert-Einstein-Allee 11
89081 Ulm
eMail: lucia.flossbach@uni-ulm.de