CD163/HbSR expression on mononuclear cells from patients with AML.

Surface expression of CD163/HbSR on blast cells of patients with AML subtypes M0 to M7. None of the patients with AML other than M4 or M5 had CD163 expression higher than 8%. In contrast, 3 of 12 patients with M4 and 16 of 19 patients with M5 had CD163/HbSR expression 10% or higher.