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6-Pyruvoyl-tetrahydrobiopterin synthase deficiency
disorderSNOMED 237914002CUI C0878676
Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Hyperphenylalaninemia
Always present (100%)HP:0004923
Appendicular hypertonia
Frequent (30-79%)HP:0002509
Arc de cercle
Frequent (30-79%)HP:0002179
Birth weight less than 10th percentile
Frequent (30-79%)HP:0001518
Central hypotonia
Frequent (30-79%)HP:0001252
Decreased CSF 5-HIAA
Frequent (30-79%)HP:0025455
Decreased CSF homovanillic acid concentration
Frequent (30-79%)HP:0003785
Feeding difficulties
Frequent (30-79%)HP:0011968
Agitation
Occasional (5-29%)HP:0000713
Ataxia
Occasional (5-29%)HP:0001251
Choreatic disease
Occasional (5-29%)HP:0002072
Choreoathetosis
Occasional (5-29%)HP:0001266
Clonus
Occasional (5-29%)HP:0002169
Deglutition disorder
Occasional (5-29%)HP:0002015
Delay in head control
Occasional (5-29%)HP:0002421
Delayed motor milestones
Occasional (5-29%)HP:0001270
Depression
Occasional (5-29%)HP:0000716
Dystonic disease
Occasional (5-29%)HP:0001332
Excessive salivation
Occasional (5-29%)HP:0003781
Extrapyramidal dysfunction
Occasional (5-29%)HP:0002071
Eye drop
Occasional (5-29%)HP:0000508
Falls
Occasional (5-29%)HP:0002527
Hyperkinetic movements
Occasional (5-29%)HP:0002487
Hypertonia
Occasional (5-29%)HP:0001276
Hypsarrhythmia by EEG
Occasional (5-29%)HP:0002521
Increased reflexes
Occasional (5-29%)HP:0001347
Involuntary jerking movements
Occasional (5-29%)HP:0001336
Low intelligence
Occasional (5-29%)HP:0001249
Muscle rigidity
Occasional (5-29%)HP:0002063
Oculogyric crisis
Occasional (5-29%)HP:0010553
Related Conditions
Quick Facts
- SNOMED CT
- 237914002
- UMLS CUI
- C0878676
- Fully Specified Name
- 6-Pyruvoyl-tetrahydrobiopterin synthase deficiency (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.