Rare diseases · Sign or symptom
Pes cavus
High-arched foot
HP:0001761
What it means
An increase in height of the medial longitudinal arch of the foot that does not flatten on weight bearing (i.e., a distinctly hollow form of the sole of the foot when it is bearing weight).
Rare diseases that can present with this135
Very common80–99%
13- Autosomal dominant spastic paraplegia type 38
- Autosomal recessive spastic paraplegia type 14
- Autosomal recessive spastic paraplegia type 44
- Charcot-Marie-Tooth disease type 4A
- Deafness-genital anomalies-metacarpal and metatarsal synostosis syndrome
- Palmoplantar keratoderma-spastic paralysis syndrome
- Sillence syndrome
- Wilson-Turner syndrome
- W syndrome
- X-linked Charcot-Marie-Tooth disease type 1
- X-linked Charcot-Marie-Tooth disease type 4
- X-linked Charcot-Marie-Tooth disease type 5
- X-linked Charcot-Marie-Tooth disease type 6
Common30–79%
58- Adult-onset autosomal recessive cerebellar ataxia
- Ataxia with vitamin E deficiency
- Atypical juvenile parkinsonism
- Autosomal dominant Charcot-Marie-Tooth disease type 2A2
- Autosomal dominant Charcot-Marie-Tooth disease type 2E
- Autosomal dominant Charcot-Marie-Tooth disease type 2W
- Autosomal dominant Charcot-Marie-Tooth disease type 2Y
- Autosomal dominant dopa-responsive dystonia
- Autosomal dominant spastic paraplegia type 12
- Autosomal dominant spastic paraplegia type 29
- Autosomal dominant spastic paraplegia type 31
- Autosomal dominant spastic paraplegia type 6
- Autosomal dominant spastic paraplegia type 8
- Autosomal dominant spastic paraplegia type 9A
- Autosomal dominant spastic paraplegia type 9B
- Autosomal recessive cerebellar ataxia-movement disorder syndrome
- Autosomal recessive Charcot-Marie-Tooth disease with hoarseness
- Autosomal recessive dopa-responsive dystonia
- Autosomal recessive spastic paraplegia type 28
- Autosomal recessive spastic paraplegia type 43
- Autosomal recessive spastic paraplegia type 5A
- Autosomal recessive spastic paraplegia type 74
- Autosomal recessive spastic paraplegia type 76
- Autosomal recessive spastic paraplegia type 78
- Autosomal spastic paraplegia type 72
- Cerebellar ataxia-ectodermal dysplasia syndrome
- Cerebrotendinous xanthomatosis
- Charcot-Marie-Tooth disease-deafness-intellectual disability syndrome
- Charcot-Marie-Tooth disease type 1A
- Charcot-Marie-Tooth disease type 1E
- Charcot-Marie-Tooth disease type 1F
- Charcot-Marie-Tooth disease type 2B1
- Charcot-Marie-Tooth disease type 4B2
- Charcot-Marie-Tooth disease type 4C
- Charcot-Marie-Tooth disease type 4G
- Combined immunodeficiency with facio-oculo-skeletal anomalies
- Combined oxidative phosphorylation defect type 7
- Distal duplication 17q syndrome
- Distal myopathy, Tateyama type
- Friedreich ataxia
- Giant axonal neuropathy
- Homocystinuria due to cystathionine beta-synthase deficiency
- Hypogonadotropic hypogonadism-severe microcephaly-sensorineural hearing loss-dysmorphism syndrome
- Microduplication Xp11.22p11.23 syndrome
- Mitochondrial myopathy-cerebellar ataxia-pigmentary retinopathy syndrome
- Polyendocrine-polyneuropathy syndrome
- Roussy-Lévy syndrome
- Spastic paraplegia-optic atrophy-neuropathy syndrome
- Spinocerebellar ataxia type 18
- Spinocerebellar ataxia type 25
- Spinocerebellar ataxia type 27A
- Spinocerebellar ataxia type 43
- Spinocerebellar ataxia with axonal neuropathy type 1
- X-linked Charcot-Marie-Tooth disease type 2
- X-linked Charcot-Marie-Tooth disease type 3
- X-linked intellectual disability, Cabezas type
- X-linked intellectual disability, Nascimento type
- X-linked progressive cerebellar ataxia
Sometimes5–29%
8The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Cavus foot
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.