TEL-AML1 Fusion in Relapsed Childhood Acute Lymphoblastic Leukemia

Abstract

To the Editor: In a recent issue of Blood, Loh et al[1][1] reported a low frequency of TEL-AML1 fusion [translocation t(12;21)(p13;q22)] in relapsed childhood acute lymphoblastic leukemia (ALL) treated initially on four different DFCI ALL consortium protocols from 1981 until 1995. The incidence of