Recurrent chromosomal abnormalities that provide presumptive evidence of primary MDS
| Abnormality . | Frequency (%)* . |
|---|---|
| −5 or del(5q) | 10-15 |
| −7 or del(7q) | 10 |
| i(17q) or t(17p) | 2-3 |
| del(12p) or t(12p) | 1-2 |
| del(11q) | 1-2 |
| −13 or del(13q) | 1-2 |
| del(9q) | 1 |
| idic(X)(q13) | 1 |
| inv(3)(q21q26.2) | 1 |
| t(6;9)(p23;q34) | 1 |
| t(3;21)(q26.2;q22.1) | <1 |
| t(1;3)(p36.3;q21.2) | <1 |
| t(11;16)(q23;p13.3) | <1 |
| t(2;11)(p21;q23) | <1 |
| Abnormality . | Frequency (%)* . |
|---|---|
| −5 or del(5q) | 10-15 |
| −7 or del(7q) | 10 |
| i(17q) or t(17p) | 2-3 |
| del(12p) or t(12p) | 1-2 |
| del(11q) | 1-2 |
| −13 or del(13q) | 1-2 |
| del(9q) | 1 |
| idic(X)(q13) | 1 |
| inv(3)(q21q26.2) | 1 |
| t(6;9)(p23;q34) | 1 |
| t(3;21)(q26.2;q22.1) | <1 |
| t(1;3)(p36.3;q21.2) | <1 |
| t(11;16)(q23;p13.3) | <1 |
| t(2;11)(p21;q23) | <1 |
Frequencies reported in the table were extrapolated from Sole et al,55 Haase et al,56 and Schanz et al.58