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Start free with EleplanHereditary sensory neuropathy-deafness-dementia syndrome
ORPHA:456318Disease
Also called HSAN1E · HSN1E · Hereditary sensory neuropathy-sensorineural hearing loss-dementia syndrome
What it is
A rare genetic neurological disorder characterized by sensorineural hearing loss, sensory neuropathy, behavioral abnormalities, and dementia. Occurrence of seizures has also been reported. Age of onset is between adolescence and adulthood. The disease is progressive, with fatal outcome typically in the fifth to sixth decade.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Adolescent, Adult
- Inheritance
- Autosomal dominant
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Gene
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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