2 patients have been investigated, in which Y chromosome duplication occurred during blastic transformation of chronic myelocytic leukaemia. Comparison of cytogenetic findings and survival data in our cases and in previously reported individuals, suggests preliminary conclusions about the prognostic significance of this aneuploidy. Y chromosome gain does not seem to represent per se an unfavourable event, unless it is associated with additional chromosome change.
|Number of pages||7|
|Publication status||Published - 1979|
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