title: Chromosomal aberrations in lymphomas of the gastrointestinal tract.
abstract: B-cell lymphomas of the gastrointestinal (GI) tract have represented a field of extensive research ever since a close association was shown with chronic inflammatory processes such as Helicobacter pylori infection. Much evidence has accumulated to suggest that the mucosa-associated lymphoid tissue (MALT) induced by inflammation and autoimmune processes is the environment which gives rise to the small cell lymphomas of the GI tract (e.g. extranodal marginal B-cell lymphoma according to REAL). The small B-cell lymphoma may then progress to the large cell variants. Hence, B-cell lymphomas of the GI tract may present a model for lymphomagenesis and progression. In this review, recent cytogenetic data are discussed which yield new insights into the biology of gastrointestinal lymphomas.
authors.affiliation: Pathologisches Institut der Universität Ulm, Germany.
authors.forename: T F
authors.initials: TF
authors.lastname: Barth
authors.forename: H
authors.initials: H
authors.lastname: Döhner
authors.forename: P
authors.initials: P
authors.lastname: Möller
authors.forename: M
authors.initials: M
authors.lastname: Bentz
mesh_terms: D002869:Chromosome Aberrations; D005770:Gastrointestinal Neoplasms / Q000235:genetics*; D006801:Humans; D015451:Leukemia, Lymphocytic, Chronic, B-Cell / Q000235:genetics; D008223:Lymphoma / Q000235:genetics*; D016393:Lymphoma, B-Cell / Q000235:genetics; D016403:Lymphoma, Large B-Cell, Diffuse / Q000235:genetics; D011230:Precancerous Conditions / Q000235:genetics