Translocation (10;11)(p12;q23) in childhood acute myeloid leukemia: incidence and complex mechanism
- PMID: 16938568
- DOI: 10.1016/j.cancergencyto.2006.03.011
Translocation (10;11)(p12;q23) in childhood acute myeloid leukemia: incidence and complex mechanism
Abstract
Using both conventional and molecular cytogenetic methods, we found five new cases of t(10;11)(p12;q23). This translocation represented 28% of all cases of childhood AML treated at our center in 2004, and 63% of AML with rearrangements of 11q23. We describe three mechanisms for the translocation. Different fragments of 11q were involved in four of the five cases. One patient showed a cytogenetically cryptic insertion of 5' part of MLL into the 3' part of MLLT10 in 10p12. The median event-free survival of patients was 8.1 months, and we conclude that the t(10;11)(p12;q23) is associated with unfavorable prognosis in childhood acute myeloid leukemia.
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