Introduction: Myelodysplastic syndrome is a pathology characterized by its hematopoietic, pluripotential ineffective process in the bone marrow, i.e. causing dysplasia at least one of hematopoietic lines with functional and morphological alterations, which, some point may evolve into leukemia. Objective: review, analyze describe most notable features myelodysplastic syndromes. Methodology: A to...