raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1023

Congenital generalized hypertrichosis, Ambras type

Synonyms: Ambras syndrome

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Unknown
Age of onset
Neonatal
Status
active

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.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCongenital generalized hypertrichosis, Ambras typeAmbras syndrome
frHypertrichose congénitale généralisée type AmbrasSyndrome d'Ambras
deKongenitale generalisierte Hypertrichose Typ AmbrasAmbras-Syndrom · Hypertrichosis universalis congenita, Typ Ambras
esHipertricosis congénita generalizada tipo AmbrasSíndrome de Ambras
itIpertricosi generalizzata congenita, tipo AmbrasSindrome di Ambras
nlCongenitale gegeneraliseerde hypertrichose, Ambras-typeSyndroom van Ambras
ptHipertricose generalizada congénita, tipo AmbrasSíndrome Ambras
plWrodzona uogólniona hipertrichoza typu AmbrasaZespół Ambrasa
csVrozená generalizovaná hypertrichóza, Ambrasův typAmbrasův syndrom
ukВроджений генералізований гіпертрихоз, тип АмбрасСиндром Амбраса
zh先天性全身性多毛,Ambras型Ambras综合征
trDoğumsal jeneralize hipertrikoz, Ambras tipiAmbras sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM145701Evalidated
ICD-10Q84.2NTBTattributedvalidated
ICD-11LD27.0YNTBTindexvalidated
MONDO0007787Evalidated
MeSHC536605Evalidated
UMLSC1840362Evalidated
GARD8206Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families40 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card