Rare diseases · Sign or symptom
Abnormal cerebellar vermis morphology
HP:0002334
What it means
An anomaly of the vermis of cerebellum.
The cerebellar vermis is the unpaired, median portion of the cerebellum that connects the two hemispheres.
Rare diseases that can present with this13
Very common80–99%
5Common30–79%
2The 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: Abnormality of the cerebellar vermis
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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.