Childhood acute lymphoblastic leukemia with chromosomal breakpoints at 11q23.


Twenty-one (5.7%) of 368 cases of acute lymphoblastic leukemia (ALL), studied fully for karyotype and immunophenotype, had breakpoints in the q23 region of chromosome 11. This abnormality resulted from reciprocal translocation in 17 cases [with chromosomes 4 (n = 5), 10 (n = 2), and variable chromosomes (n = 10)], from deletions in three cases, and from a… (More)


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