Occurs
in childhood (2-10yrs)
Most
common in <1 yr olds
90%
remission in children
Also
a peak at 40 yr olds
Rapidly
fatal if untreated
60%
cure rate in children
68-91%
remission in adults
25-41%
cure rate in adults
50%
cases with leukocytosis
5.0-30.0
x 109/L
or > 100-200