Pathology Which of the following is not compatible with a diagnosis of juvenile myelomonocytic leukemia A Peripheral blood monocytosis, more than 1 x 10(9)/L B Increased hemoglobin F levels for age C Presence of bcr/abl fusion gene D GM-CSF hypersensitivity of myeloid progenitors in vitro 💡 Explanation Which of the following is not compatible with a diagnosis of juvenile myelomonocytic leukemia ✓ Correct Answer: C. Presence of bcr/abl fusion gene