Rare diseases · Sign or symptom
Myelodysplasia
HP:0002863
What it means
Clonal hematopoietic stem cell disorders characterized by dysplasia (ineffective production) in one or more hematopoietic cell lineages, leading to anemia and cytopenia.
In everyday care
Most people with this sign do not have a rare disease — it appears in common conditions far more often. These general reference pages cover the same topic:
Rare diseases that can present with this29
Very common80–99%
4Common30–79%
6Sometimes5–29%
15- Acquired hemophagocytic lymphohistiocytosis associated with malignant disease
- Acquired idiopathic sideroblastic anemia
- Alpha-thalassemia
- Alpha-thalassemia-myelodysplastic syndrome
- Autosomal dominant severe congenital neutropenia
- Bloom syndrome
- Diamond-Blackfan anemia
- Essential thrombocythemia
and 7 more in this range
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Hypoplastic myelodysplasia · Myelodysplastic syndrome
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.