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Start free with EleplanMyelodysplastic neoplasm with low blasts
ORPHA:98826Disease
Also called MDS-LB · Refractory anemia
What it is
Refractory cytopenias with unilineage dysplasia (RCUD) is a frequent low-risk subtype of myelodysplastic syndrome (MDS) characterized by refractory cytopenias associated with dysplasia limited to one cell lineage.
Key facts
- Age of onset
- Adolescent, Adult, Childhood, Elderly, Infancy
- Inheritance
- Not applicable
- Classified as
- Disease
Recorded for the broader condition
- Prevalence
- <1 / 1 000 000 (annual incidence, Europe)Refractory cytopenia with multilineage dysplasia
Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.
Signs and symptoms
Sometimes5–29%
5These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
Gene
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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