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Start free with EleplanCongenital generalized hypertrichosis, Ambras type
ORPHA:1023Clinical subtype
Also called Ambras syndrome
What it is
Congenital generalized hypertrichosis, Ambras type is an extremely rare type of hypertrichosis lanuginosa congenita, a congenital skin disease, that is characterized by the presence of vellus-type hair on the entire body, especially on the face, ears and shoulders, with the exception of palms, soles, and mucous membranes. Facial and dental anomalies can also be observed, such as triangular, coarse face, bulbous nasal tip, long palpebral fissures, delayed tooth eruption and absence of teeth.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Neonatal
- Inheritance
- Unknown
- Classified as
- Clinical subtype
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.
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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