MDS with Isolated 5q Deletion (5q-syndrome)
Clinical signs
- genetic definition: isolated deletion of the short arm of chromosome 5
- less than 5% blasts in the bone marrow
- middle-aged to elderly women
- anemia, slight leukopenia, thrombocythemia
- prognosis: relatively good
Histology
Dysplastic changes and increased numbers of small megakaryocytes
with dysplastic hypolobated nuclei.