Which of the following is the most common tumour associated with neurofibromatosis in a child?: (A) Juvenile myelomonocytic leukemia, (B) Acute lymphoblastic leukemia, (C) Acute monocytic leukemia, (D) Acute myeloid leukemiac
Answer is B. Juvenile myelomonocytic leukemia(JMML) is a rare childhood cancer. It happens when immature blood cells (called blasts) make too many myelocytes and monocytes (two types of white blood cells). Ref ganong's review of medical physiology 25e p765