Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Agyria diffuse
HP:0031882
Cerebral pachygyria
HP:0001302
Cortical white matter abnormalities seen on MRI
HP:0002500
Dilated cerebral ventricle
HP:0002119
Dilated Virchow-Robin spaces
HP:0012520
Dull intelligence
HP:0001249
Fewer or absent grooves in brain
HP:0001339
Gray matter heterotopias
HP:0002282
Hypoplasia of the brainstem
HP:0002365
Postnatal microcephaly
HP:0005484
Psychomotor development deficiency
HP:0001263
Seizures
HP:0001250
Small cerebellum
HP:0001321
Spastic tetraparesis
HP:0001285
Subcortical band heterotopia
HP:0032409
Truncal hypotonia
HP:0008936
Related Conditions
Miller Dieker syndrome(child)
Lissencephaly type 1 due to doublecortin gene mutation(child)
Isolated lissencephaly type 1 without known genetic defect(child)
Lissencephaly syndrome Norman Roberts type(child)
PAFAH1B1-related lissencephaly(child)
Posterior-predominant lissencephaly, broad flat pons and medulla-midline crossing defects syndrome(child)
Lissencephaly(parent)
Quick Facts
- SNOMED CT
- 253147000
- UMLS CUI
- C0431375
- Fully Specified Name
- Type 1 lissencephaly (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 16
Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.
Clinical content is derived from the SNOMED CT clinical ontology and curated medical knowledge graphs.