Medicine All of the following are poor prognostic factors in a case of acute myeloid leukemias, except: A Age more than 60 years B Presence of t(8:21) C Secondary leukemias D Leucocyte count more than 1,00,000/microl 💡 Explanation All of the following are poor prognostic factors in a case of acute myeloid leukemias, except: ✓ Correct Answer: B. Presence of t(8:21)