Stage Information
There is no clear-cut staging system for this disease.
Untreated
For a newly diagnosed patient with no prior treatment, untreated adult acute
lymphoblastic leukemia (ALL) is defined as an abnormal white blood cell count
and differential, abnormal hematocrit/hemoglobin and platelet counts, abnormal
bone marrow with more than 5% blasts, and signs and symptoms of the disease.
In remission
A patient who has received remission-induction treatment of ALL is in remission
if the bone marrow is normocellular with less than 5% blasts, there are no
signs or symptoms of the disease, no signs or symptoms of central nervous
system leukemia or other extramedullary infiltration, and all of the following
laboratory values are within normal limits: white blood cell count and
differential, hematocrit/hemoglobin level, and platelet count.
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