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Objective: Myelodysplastic syndrome/myeloproliferative neoplasm with ring sideroblasts and thrombocytosis (MDS/MPN-RS-T) is a new disease entity in the 2016 WHO classification, characterized by anemia, thrombocytosis and bone marrow ring sideroblasts. We herein reported a case of MDS/MPN-RS-T and discuss its clinical characteristics. Methods: A 69-year-old woman presented to our hospital with recurrent dizziness and fatigue. Hematologic investigations, bone marrow analysis and genomic DNA sequencing studies were performed. Results: Peripheral blood testing showed normocytes anemia and thrombocytosis, and bone marrow analysis revealed hypercellular with clusters of megakaryocytes and 95% ring sideroblasts (RS). She had a normal karyotype and was found to have SF3B1 mutations. Decitabine therapy produced a clinical response and disease remission in this patient. Conclusions: Our report provides a definite conceptual framework for a better understanding of the characteristics of MDS/MPN-RS-T.


Bing Long, Hao Shi, Cuixia Zhu. Clinical analysis and literature review of a case with the myelodysplastic syndrome/myeloproliferative neoplasm with ring sideroblasts and thrombocytosis. Hematology (Amsterdam, Netherlands). 2020 Dec;25(1):283-285

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PMID: 32657243

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