Leukostasis is common with which of the following?: (A) ALL, (B) AML, (C) CML, (D) CLL
Answer is B. Hyperleukocytosis and the leukostasis syndrome is commonly associated with a complication of acute leukemia (paicularly myeloid leukemia) It can occur when the peripheral blast cell count is >100,000/mL. The frequency of hyperleukocytosis is 13% in acute myeloid leukemia (AML) and 10-30% in acute lymphoid leukemia; however, leukostasis is rare in lymphoid leukemia.