Which of the following indicates a favorable prognosis in acute lymphoblastic leukemia?

a. Chromosal translocations
b. Low white count at diagnosis
c. Patient older than 45 years old
d. T-cell immunophenotype

ANS: B
A low white count at the time of diagnosis is a favorable prognostic marker in acute lymphoblastic leukemia. All the other findings that are listed are negative prognostic markers in acute lymphoblastic leukemia.