Recurrent chromosomal defects are found in most patients with non-Hodgkin's-lymphoma

Jorge J. Yunis, Martin M. Oken, Athanasios Theologides, Robert B. Howe, Manuel E. Kaplan

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182 Scopus citations


Using methotrexate cell synchronization, we successfully analyzed chromosomal preparations of 40 lymph node biopsies and one bone marrow sample from 44 patients with non-Hodgkin's, non-Burkitt's lymphoma. All of the 41 patients successfully analyzed showed clonal chromosomal abnormalities. In 25 of the 41 (61%), the defects were found to be consistent with (A) a deletion 6q in five of seven patients with diffuse large cell lymphoma, (B) a t(11;14), a del 11q, or a +12 in seven of nine patients with small cell lymphocytic lymphoma, and (C) a t(14;18) in 12 of 15 patients with follicular lymphoma (small cleaved and mixed small and large cleaved) and in a single case of diffuse large cell lymphoma. In three patients with small cell lymphocytic lymphoma whose biopsies exhibited a t(11;14), lymphocytes were cultured and chromosomes examined for the presence of fragile sites. In two, frequent breaks at band 11q13.3 were observed. Such findings suggest a possible relationship between a fragile site and a predisposition to a specific chromosomal rearrangement in human neoplasia.

Original languageEnglish (US)
Pages (from-to)17-28
Number of pages12
JournalCancer Genetics and Cytogenetics
Issue number1
StatePublished - Sep 1984

Bibliographical note

Funding Information:
Supported in part by grant CA-33314 from the National Cancer Institute.


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