NCI Definition: A myelodysplastic/myeloproliferative neoplasm with morphologic and clinical characteristics of refractory anemia with ring sideroblasts, marked thrombocytosis, and abnormal megakaryocytes. [1]

Disease Details

MDS/MPN with Ring Sideroblasts and Thrombocytosis, RARS-T, Essential Thrombocythemia with Ring Sideroblasts, Myelodysplastic/Myeloproliferative Neoplasm with Ring Sideroblasts and Thrombocytosis, MDS/MPN-RS-T, Refractory Anemia with Ring Sideroblasts Associated with Marked Thrombocytosis
Myelodysplastic/Myeloproliferative Neoplasm
OncoTree Name
MDS/MPN with Ring Sideroblasts and Thrombocytosis
OncoTree Code


1. National Cancer Institute. NCI Thesaurus Version 18.11d. https://ncit.nci.nih.gov/ncitbrowser/ [2018-08-28]. [2018-09-21].

2. The AACR Project GENIE Consortium. AACR Project GENIE: powering precision medicine through an international consortium. Cancer Discovery. 2017;7(8):818-831. Dataset Version 6. This dataset does not represent the totality of the genetic landscape; see paper for more information.

3. All assertions and clinical trial landscape data are curated from primary sources. You can read more about the curation process here.