... [20] In the current study, no NPM1 mutations were detected in cases with secondary AML following MDS, which is in line with previous studies associating absence or low rates of NPM1 mutations in ... Frequency of FLT3 mutations in childhood acute lymphoblastic leukemia Med Oncol 2009, 26:460-462 Thiede C, Creutzig E, Reinhardt D, Ehninger G, Creutzig U: Different types of NPM1 mutations in ... [10,21] Mutations of the NPM1 gene were present in 8% of AML cases in this study This is in agreement with previous reports on childhood AML [1,4,17] More than 40 different types of NPM1 mutations...