Prognostic Effect of Complex Karyotype, Monosomal Karyotype, and Chromosome 17 Abnormalities in B-Cell Acute Lymphoblastic Leukemia

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Abstract

Micro-Abstract

The effect of monosomal karyotype (MK), complex karyotype (CK) and chromosome 17 abnormalities on prognosis in B-cell acute lymphoid leukemia (B-ALL) has not yet been established. We conducted a retrospective analysis of prognostic factors on 237 adult patients with B-ALL treated at our institution. Our results showed that MK and CK do not play a predictive role in patients with B-ALL, but further study is required to determine whether specific changes on chromosome 17 might have prognostic value.

Background:

The effect of monosomal karyotype (MK), complex karyotype (CK), and chromosome 17 abnormalities (abnl 17) on prognosis in B-cell acute lymphoid leukemia (B-ALL) has not yet been established.

Patients and Methods:

We conducted a retrospective analysis of prognostic factors on 237 adult patients with B-ALL treated at our institution.

Results:

Older age (older than 60 years), higher white blood cell count (> 30), and abnl 17 were associated with shorter overall survival in univariate analysis, but multivariable analysis only identified older age as an independent poor prognostic actor. There was a significant correlation between abnl 17 and older age.

Conclusion:

In contrast to the patients with acute myeloid leukemia, our results show that MK and CK do not play a predictive role in patients with B-ALL, but further study is required to determine whether specific changes on chromosome 17 might have prognostic value when investigated separately.

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