The expression of MMP2 was positive in 24 of 46 patients with AL (52.2%), including 19 of 34 patients with AML(55.9%) and 5 of 12 patients with ALL(41.7%), respectively.

• 46例急性白血病患者中24例(52.；2%25)MMP2表达阳性，其中AML19例(55