How to distinguish between acute and chronic leukemia

The distinction between acute and chronic leukemia incidence in addition to the, but also mainly based on: (1) life expectancy or natural process untreated patients with acute leukemia average life expectancy of less than one year, and chronic leukemia average life expectancy for 1 - 3 years; (2) leukemia cell differentiation, the maturity of the acute leukemia bone marrow or peripheral blood cells in the main for the original leukemia (lymphatic system, or granulocyte monocyte line) cells, and chronic leukemia in the bone marrow and peripheral blood main the mature phase of the tablets and naive cells (chronic myeloid leukemia) or mature small lymphocytes (chronic lymphocytic leukemia).