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ORPHA:384Disease
Also called Palmoplantar hyperkeratosis-sclerodactyly syndrome · Palmoplantar keratoderma-sclerodactyly syndrome · Scleroatrophic syndrome · Sclerotylosis
What it is
A rare genetic skin disease characterized by the triad of congenital scleroatrophy predominantly of the hands with sclerodactyly, palmoplantar keratoderma, and nail changes (consisting of hypoplasia, ridging, clubbing, and white discoloration). Additional features include palmar hypohidrosis and a high susceptibility to early-onset squamous cell carcinoma of affected skin areas.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Infancy, Neonatal
- 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.
Signs and symptoms
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
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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