Patient age at diagnosis and summary of backtrackingAML1-ETO genomic fusions in childhood acute myeloid leukemia
| Study no. . | Age at diagnosis, y, mo . | Guthrie segments tested . | Guthrie segments positive . | Positive or negative* . |
|---|---|---|---|---|
| 1 | 3, 6 | 12 | 2 | + |
| 2 | 3, 11 | 4 | 2 | + |
| 3 | 4, 11 | 12 | 0 | − |
| 4 | 5, 2 | 12 | 0 | − |
| 5 | 6, 3 | 4 | 1 | + |
| 6 | 7, 9 | 12 | 0 | − |
| 7 | 8, 7 | 12 | 0 | − |
| 8 | 10, 0 | 10 | 0 | − |
| 9 | 10, 1 | 12 | 5 | + |
| 10 | 12, 2 | 12 | 1 | + |
| Study no. . | Age at diagnosis, y, mo . | Guthrie segments tested . | Guthrie segments positive . | Positive or negative* . |
|---|---|---|---|---|
| 1 | 3, 6 | 12 | 2 | + |
| 2 | 3, 11 | 4 | 2 | + |
| 3 | 4, 11 | 12 | 0 | − |
| 4 | 5, 2 | 12 | 0 | − |
| 5 | 6, 3 | 4 | 1 | + |
| 6 | 7, 9 | 12 | 0 | − |
| 7 | 8, 7 | 12 | 0 | − |
| 8 | 10, 0 | 10 | 0 | − |
| 9 | 10, 1 | 12 | 5 | + |
| 10 | 12, 2 | 12 | 1 | + |
A plus sign indicates the presence of clonotypicAML1-ETO in the Guthrie card; a minus sign indicates the lack of demonstrable clonotypic translocation sequence, which is indeterminate for prenatal origin.