There are some blast cells present, but they are more mature and are able to perform some of their functions. The cells grow more slowly, and the number increases less quickly, so the disease progresses gradually. Normally, the lymphocytes fight infection by making antibodies that attack harmful elements. But, in ALL, the cells are immature and overabundant. They crowd out other blood cells, and may collect in the blood, bone marrow, and lymph tissue.
Acute leukemia can occur over a short period of days to weeks.
ALL is the most common type of leukemia in young children. This type of leukemia may also affect adults, especially those age 65 and older. The following are the most common symptoms of acute lymphocytic leukemia . However, each individual may experience symptoms differently. Always consult your physician for a diagnosis.