Overview
Spinocerebellar ataxia type 18 is a disorder.
Auto-generated from clinical reference data. Not a substitute for medical advice.
Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Absent deep tendon reflexes
Very frequent (80-99%)HP:0001284
Inability to coordinate movements when walking
Very frequent (80-99%)HP:0002066
Muscle weakness
Very frequent (80-99%)HP:0001324
Sensory impairment
Very frequent (80-99%)HP:0003474
Abnormal finger chase test
Frequent (30-79%)HP:0001310
Cavus foot
Frequent (30-79%)HP:0001761
Difficulty articulating speech
Frequent (30-79%)HP:0001260
Hearing impairment
Frequent (30-79%)HP:0000365
Hyporeflexia of lower limbs
Frequent (30-79%)HP:0002600
Lower limb hyperreflexia
Frequent (30-79%)HP:0002395
Nerve damage causing decreased feeling and movement
Frequent (30-79%)HP:0007141
Twitching
Frequent (30-79%)HP:0010546
Axonal neuropathy
Occasional (5-29%)HP:0003477
Head tremor
Occasional (5-29%)HP:0002346
Infratentorial atrophy
Occasional (5-29%)HP:0001272
Involuntary, rapid, rhythmic eye movements
Occasional (5-29%)HP:0000639
Muscle wasting
Occasional (5-29%)HP:0003202
Titubation
Occasional (5-29%)HP:0030187
Dysdiadochokinesis
HP:0002075
Extensor plantar responses
HP:0003487
Gait ataxia, progressive
HP:0007240
Hyporeflexia
HP:0001265
Limb muscle weakness
HP:0003690
Sensory axonal neuropathy
HP:0003390
Tremor
HP:0001337
Quick Facts
- SNOMED CT
- 719250005
- UMLS CUI
- C1843884
- Fully Specified Name
- Spinocerebellar ataxia type 18 (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 25
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.