<prompt> All of the following acute myeloid leukemia are diagnosed regardless of blast count exceptAML with t8;21AML with t15;17AML with t16;16AML with t1;9  <response>: WHO classification mandates diagnosis of AML only when 20 blasts are present in the marrow. However, in the following three scenarios, this is overruled and AML may be diagnosed even if blast count is 20.AML with t8;21AML with t15;17AML with inv 16 or t16;16 