Article
Additional cytogenetic abnormalities in adults with Philadelphia chromosome‐positive acute lymphoblastic leukaemia: a study of the Cancer and Leukaemia Group B
12 Jan 2004
Abstract excerpt
We analysed the nature and prognostic significance of secondary cytogenetic changes in 111 newly diagnosed adults with acute lymphoblastic leukaemia (ALL) and t(9;22)(q34;q11.2) or its variants. Secondary aberrations were seen in 75 (68%) patients. They included, in order of descending frequency: +der(22)t(9;22), +21, abnormalities of 9p, high hyperdiploidy (>50 chromosomes), +8, -7, +X and abnormalities...
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