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Spastic tetraplegia, thin corpus callosum, progressive postnatal microcephaly syndrome
disorderSNOMED 1237418002CUI C4225254
Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Extensor plantar responses
Always present (100%)HP:0003487
Involuntary muscle stiffness, contraction, or spasm
Always present (100%)HP:0001257
No speech development
Always present (100%)HP:0001344
Psychomotor development deficiency
Always present (100%)HP:0001263
Thinning of the corpus callosum
Always present (100%)HP:0033725
Speech difficulties
Very frequent (80-99%)HP:0000750
Abnormality of the cerebral white matter
Frequent (30-79%)HP:0002500
Ankle clonus
Frequent (30-79%)HP:0011448
Ankle flexion contracture
Frequent (30-79%)HP:0006466
Brain degeneration
Frequent (30-79%)HP:0012444
Brisk deep tendon reflexes
Frequent (30-79%)HP:0001348
Decreased size of cranium
Frequent (30-79%)HP:0000252
Deglutition disorder
Frequent (30-79%)HP:0002015
Delayed CNS myelination
Frequent (30-79%)HP:0002188
Generalised-onset seizure
Frequent (30-79%)HP:0002197
Hypoplasia of corpus callosum
Frequent (30-79%)HP:0002079
No development of motor milestones
Frequent (30-79%)HP:0001270
Postnatal microcephaly
Frequent (30-79%)HP:0005484
Sialorrhea
Frequent (30-79%)HP:0002307
Small skull present at birth
Frequent (30-79%)HP:0011451
Spasticity and rigidity of muscles
Frequent (30-79%)HP:0001276
Spasticity of lower limb
Frequent (30-79%)HP:0002061
Cerebral hypomyelination
Occasional (5-29%)HP:0006808
Clonus
Occasional (5-29%)HP:0002169
Concave bridge of nose
Occasional (5-29%)HP:0005280
Epilepsy
Occasional (5-29%)HP:0001250
Gastroesophageal reflux disease
Occasional (5-29%)HP:0002020
Generalized tonic-clonic seizure (without specification of onset)
Occasional (5-29%)HP:0002069
Hair-pulling
Occasional (5-29%)HP:0012167
Hyperactive behaviour
Occasional (5-29%)HP:0000752
Related Conditions
Inherited metabolic disorder of nervous system(parent)
Congenital malformation of corpus callosum(parent)
Global developmental delay(parent)
Disorder of serine metabolism(parent)
Developmental hereditary disorder(parent)
Recessive hereditary disorder (autosomal)(parent)
Genetic intellectual disability(parent)
Quick Facts
- SNOMED CT
- 1237418002
- UMLS CUI
- C4225254
- Fully Specified Name
- Spastic tetraplegia, thin corpus callosum, progressive postnatal microcephaly syndrome (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 30
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.