Overview
Clinical overview and emergency guidance are pending physician authorship. Graph-derived data (ontology codes, linked conditions, diagnostic biomarkers) is available below.
Associated Conditions
Conditions associated with this symptom based on HPO disease-phenotype annotations.
Schilder's disease
Occasional (5-29%)
Cholestanol storage disease
Always present (100%)
Tay-Sachs disease
Occasional (5-29%)
Galactosylceramide lipidosis
Occasional (5-29%)
Troyer syndrome
Occasional (5-29%)
Galactocerebroside beta-galactosidase deficiency - early onset
Occasional (5-29%)
X-linked hyper-IgM syndrome
Occasional (5-29%)
Monocarboxylate transporter 8 deficiency
Occasional (5-29%)
Fatty acid hydroxylase associated neurodegeneration
Occasional (5-29%)
Deafness-dystonia syndrome
Frequent (30-79%)
Choroideremia with deafness and obesity syndrome
Frequent (30-79%)
Spinocerebellar ataxia type 5
Always present (100%)
Adult-onset dystonia parkinsonism
Frequent (30-79%)
Microcephaly, hypogammaglobulinemia, abnormal immunity syndrome
Occasional (5-29%)
Autosomal dominant spastic paraplegia type 4
Frequent (30-79%)
Autosomal recessive spastic paraplegia type 46
Spastic paraplegia, optic atrophy, neuropathy syndrome
Frequent (30-79%)
Autosomal recessive spastic paraplegia type 32
Autosomal recessive spastic paraplegia type 18
Occasional (5-29%)
Autosomal dominant spastic paraplegia type 10
Very rare (1-4%)
Spinocerebellar ataxia type 40
Frequent (30-79%)
Autosomal dominant spastic paraplegia type 31
Frequent (30-79%)
Autosomal dominant spastic paraplegia type 37
Occasional (5-29%)
X-linked spastic paraplegia type 34
Frequent (30-79%)
Autosomal recessive spastic paraplegia type 5A
Frequent (30-79%)
Quick Facts
- SNOMED CT
- 39055007
- UMLS CUI
- C0238651
- Fully Specified Name
- Ankle clonus (finding)
- Associated Conditions
- 25
- Diagnostic Tests
- 0
This information is for educational purposes only. If you are experiencing symptoms, please consult a healthcare provider for proper evaluation and diagnosis.