Disease Information for Myelodysplasia Myelodysplastic Syndrome: Definition

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  • Myelodysplastic Syndromes; Myelodysplasia; Pre-leukemia; Myelodysplastic syndromes (MDS) are a rare group of blood disorders that occur as a result of improper development of blood cells within the bone marrow; The three main types of blood cells (ie, red blood cells, white blood cells and platelets) are affected; Red blood cells deliver oxygen to the body, white blood cells help fight infections, and platelets assist in clotting to stop blood loss; These improperly developed blood cells fail to develop normally and enter the bloodstream; As a result, individuals with MDS have abnormally low blood cell levels (low blood counts); General symptoms associated with MDS include fatigue, dizziness, weakness, bruising and bleeding, frequent infections, and headaches; In some cases, MDS may progress to life-threatening failure of the bone marrow or develop into an acute leukemia; The exact cause of MDS is unknown; There are no certain environmental risk factors; ---------------[NORD]---------------

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