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Childhood Acute Lymphoblastic Leukemia: An Overview
Cancer accounts for 10 percent of childhood deaths in the United States, and is
the second leading cause of childhood deaths after accidents. Acute
lymphoblastic leukemia (ALL) is the most common childhood cancer, and accounts
for almost 25% of childhood cancers.
Each year in the U.S. there are approximately 2,400 children and adolescents
younger than 20 years of age diagnosed with ALL. It is 30% more common in boys
than girls, and about twice as common in white children than in black children.
There is a sharp peak in ALL incidence among children ages 2 to 3 years. Due to
a number of advances in the treatment of ALL during the past 20 years, the
survival rate of children treated for this disease is now approaching 80
WHAT IS CHILDHOOD ACUTE LYMPHOBLASTIC LEUKEMIA?