Pathology All of the following are good prognostic factors for acute lymphoblastic leukemia except A Age of onset between 2-8 years B Hyperdiploidy, trisomy of chromosomes 4, 7 and 10 and + (12;21) C Intial WBC count less than 50000 D + (9;22), + (8;14) 💡 Explanation All of the following are good prognostic factors for acute lymphoblastic leukemia except ✓ Correct Answer: D. + (9;22), + (8;14)