MYELODYSPLASTIC SYNDROME

* Myelodysplastic syndrome is the term used for a group of diseases in which the bone marrow does not make enough healthy blood cells.

* There are several types of myelodysplastic syndrome.

* Age and past treatment with chemotherapy or radiation therapy affect the risk of developing a myelodysplastic syndrome.

* Possible signs of myelodysplastic syndrome include feeling tired and shortness of breath.

* Tests that examine the blood and bone marrow are used to detect (find) and diagnose myelodysplastic syndromes.

* Myelodysplastic syndromes are diagnosed based on certain changes in the blood cells and bone marrow.

* Certain factors affect prognosis (chance of recovery) and treatment options.