Acute leukemia Mohammed Al-matrafi. Leukemia Malignancy of leucocytes precursors Appearance of abnormal cells in BM, peripheral blood, infiltration in.
TUMORS OF CNS Brain tumors:10-17/100,000, 20% of childhood tumors Spinal cord tumors: 1-2/100,000 Brain:Spinal cord tumors 10:1.
