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Abstract
The recurrent cytogenetic (CG) abnormality t(14;19)(q32;q13) involving the oncogene BCL3 is described in patients with atypical chronic lymphocytic leukemia (CLL). We report four patients with non-Hodgkin's lymphoma (NHL) bearing t(14;19). All cases were female and their age ranged from 62 to 91. Histologically, there were two cases of small lymphocytic lymphoma (SLL), both CD11c positive with atypical morphology, one case of Burkitt like lymphoma (BLL), and one case of diffuse large cell lymphoma (DLC-L). One SLL patient showed t(14;19) as the sole abnormality and experienced a benign course for 8 years. The other three cases showed secondary CG progression, including tetraploidy, del(6q), t(8;22) and del(13q). These cases were aggressive in clinical behavior, including an SLL case which transformed to DLC lymphoma in 4 months. Southern analysis and long distance PCR confirmed BCL3/IgH C α translocation in one case. We propose that NHLs with t(14;19) may have evolved from the same spectrum of disease as atypical CLL. The poor prognosis of t(14;19) disease is associated with the occurrence of recurrent secondary CG changes, commonly found in B cell lymphoproliferative diseases.