Prognostic implication of cytogenetic findings in 106 patients with non-Hodgkin lymphoma

• The cytogenetic findings in samples from 106 patients with non-Hodgkin lymphomas (NHL), histopathologically classified according to the Kiel classification, have been correlated with survival time. Clonal chromosomal abnormalities were found in 60 patients, and only normal karyotypes in ten. The chromosome analysis of the remaining samples failed. The failures did not differ in survival compared with the cytogenetically successful cases, indicating that this group is not a prognostic entity within NHL. The cytogenetic findings were classified in six ways in order to evaluate the prognostic value of the cytogenetic pattern. Multivariate analysis demonstrated that presence of clonal chromosome abnormalities and the number of aberrations both were important prognostic factors independent of histopathology, whereas, the modal chromosome number, presence of translocations, or unidentified marker chromosomes were not. Some characteristic chromosome abnormalities were correlated with survival time: Patients with a 1p+ marker or +7 had a significantly shorter survival time than patients with normal karyotypes only (NN). Patients with +3, +12, 6q-, i(17q), and t(14;18)(q32;q21) did not differ significantly from the NN group.

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MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Cancer och onkologi (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cancer and Oncology (hsv//eng)

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