, Volume 88, Issue 4, pp 457-459

Thrombotic thrombocytopenic purpura associated with myelodysplastic syndrome

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Thrombotic thrombocytopenic purpura (TTP), a life-threatening disseminated thrombotic microangiopathy (TMA) syndrome, is characterized by bicytopenias with thrombocytopenia and hemolytic anemia (HA) with schistocytes, neurological disturbances, acute renal failure, and pyrexia. It has an incidence of 2–7 per million person per year with a peak incidence between the ages of 30 and 40 [1, 2]. Myelodysplastic syndrome (MDS) is also characterized by multilineage cytopenias due to ineffective hematopoiesis, and predominantly affects the elderly with a peak incidence between the ages of 60 and 75. Compared with other disorders, such as aplastic anemia, phenomena secondary to leukemias, autoimmune disorders, such as systemic lupus erythematosus or Evans syndrome, viral infection, or adverse drug effects, both MDS and TTP are less common as causatives for multilineage cytopenias in young patients. This report describes a rare case of MDS associated with TTP in a young female presented with mul