Rare diseases · Sign or symptom

Thick pachygyria

HP:0020187

What it means

Pachygyria with a very thick cerebral cortex measuring 10-20 mm. Note that cortical thickness cannot be measured reliably on scans done between 3 and 24 months of age.

Part of the broader category

Also called: Pachygyria with cortical thickness > 10 mm · Pachygyria with cortical thickness above 10 mm

Thick pachygyria

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This 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.