WT1 and myelodysplastic syndrome: Since this is still work in progress and standardized analyses and reporting of gene mutations is still lacking, we hypothesized that mRNA expression of the Wilms tumor 1 (WT1) gene may offer additional prognostic information in patients with MDS based on the following considerations: (1) Overexpression of WT1-mRNA has been reported in the about 50% of MDS patients and seems to correlate with disease stage and IPSS risk category11,12.