Myelodysplastic syndrome with concomitant del(5q) and JAK2 V617F mutation transformed to acute myeloid leukemia with an additional chromosomal abnormality after a long-term treatment with lenalidomide.

Myelodysplastic syndrome with concomitant del(5q) and JAK2 V617F mutation transformed to acute myeloid leukemia with an additional chromosomal abnormality after a long-term treatment with lenalidomide.