Myelodysplastic syndrome with isolated del(5q)

**Definition:** A myelodysplastic syndrome characterised by anaemia with or without other cytopenias and/or thrombocytosis and in which the sole cytogenetic abnormality is del(5q). Myeloblasts are <5% in the bone marrow and <1% in the blood.

**Inclusions:** - 5 q- syndrome