Abstract
A single institution series of 81 consecutive, cytogenetically analyzed, diffuse large B-cell lymphomas (DLBL), the majority of which treated with anthracycline-containing combination chemotherapy, were reviewed retrospectively to investigate whether the karyotypic pattern or certain abnormalities correlate with survival. Clonal chromosome changes were found in 79 of the 81 cases. The prognostic impact of the following aberrations, all suggested in previous studies to be associated with either shorter or longer survival, were tested: 1q21-23 breakpoints, +2/dup(2p), +3/dup(3p), +5, +6, 6q21-25 breakpoints, monosomy 7/der(7p)/i(7q), trisomy 7, 14q11-12 breakpoints, monosomy 17/der(17p)/i(17q), trisomy 18, > 4 marker chromosomes, > 4 breakpoints, and > or = 10 abnormalities. Univariate analysis showed that a breakpoint at 1q21-23 or trisomy 6 was associated with a shorter survival. However, when adjusted for age, stage, performance status and lactate dehydrogenase level, none of the cytogenetic aberrations had an independent prognostic value. Thus, the present investigation provides no support for any of the above-mentioned abnormalities being of prognostic importance in DLBL.
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