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autologous blood and marrow transplantation - Blog Science ...

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Table 3. Risk factors for the definition of high-risk ALL<br />

Conventional<br />

Age >35 years, >50 years<br />

WBC<br />

B lineage >30,000/uL<br />

T lineage >100,000/uL<br />

Treatment response<br />

Complete remission >2 weeks, >4 weeks<br />

Immunophenotype<br />

Immature: pro B-ALL, pro T-ALL<br />

subtypes<br />

Cytogenetic/molecular markers<br />

t(9;22)/fcr-aW<br />

t(4;ll)/MLL-AF-4<br />

New markers?<br />

Hoelzer <strong>and</strong> Gdkbuget 67<br />

biological risk factors such as immunophenotype, cytogenetics, molecular<br />

genetics, <strong>and</strong> finally minimal residual disease have been more recently included in<br />

risk models for adult ALL (Table 3). In mature B-ALL, the outcome after<br />

chemotherapy alone is quite favorable, with an LFS >50%. In T-ALL <strong>and</strong> B<br />

precursor ALL, risk factors can be used to identify st<strong>and</strong>ard- <strong>and</strong> high-risk patients.<br />

In st<strong>and</strong>ard-risk patients, the LFS with chemotherapy is ~50% or more. In high-risk<br />

patients, the LFS with chemotherapy is generally

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