NCI Definition: A myelodysplastic syndrome characterized by bi-cytopenia or pancytopenia, dysplastic changes in 10% or more of the cells in two or more of the myeloid cell lines, and 15% or more ring sideroblasts in the bone marrow. (WHO, 2001) [1]

Disease Details

MDS-RS-MLD, Myelodysplastic Syndrome with Ring Sideroblasts and Multilineage Dysplasia, RCMD-RS, Refractory Cytopenia with Multilineage Dysplasia and Ringed Sideroblasts, MDS with Ring Sideroblasts and Multilineage Dysplasia
Refractory anemia with ring sideroblasts
OncoTree Name
MDS with Ring Sideroblasts and Multilineage Dysplasia
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.