A patient with t(9;22)-positive chronic myelogenous leukemia (CML) developed a resistance to therapy with imatinib mesylate (Glivec) which coincided with the appearance of t(5;6;12) in the same cells with t(9;22) [46,XX,t(5;6;12)(q14?;q21?;q23?),t(9;22)(q34;q11)]. She remains in a continuous chronic phase of CML. This is the first reported instance of karyotype evolution temporally associated, and possibly involved, with the induction of resistance to imatinib mesylate but without any signs of evolution of leukemia toward a more anaplastic and aggressive form.
t(5;6;12 ) associated with resistance to imatinib mesylate in chronic myeloid leukemia
STORLAZZI, CLELIA TIZIANA;ROCCHI, Mariano;
2009-01-01
Abstract
A patient with t(9;22)-positive chronic myelogenous leukemia (CML) developed a resistance to therapy with imatinib mesylate (Glivec) which coincided with the appearance of t(5;6;12) in the same cells with t(9;22) [46,XX,t(5;6;12)(q14?;q21?;q23?),t(9;22)(q34;q11)]. She remains in a continuous chronic phase of CML. This is the first reported instance of karyotype evolution temporally associated, and possibly involved, with the induction of resistance to imatinib mesylate but without any signs of evolution of leukemia toward a more anaplastic and aggressive form.File in questo prodotto:
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