raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79133

Focal facial dermal dysplasia type I

Synonyms: Bitemporal aplasia cutis congenita · Brauer syndrome · FFDD type I · FFDD1 · Focal facial dermal dysplasia 1, Brauer type · Focal facial dermal dysplasia type 1

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant
Age of onset
Antenatal, Neonatal
Status
active

Focal facial dermal dysplasia type I (FFDD1), also known as Brauer syndrome, is a focal facial dysplasia (FFDD) characterized by congenital bitemporal cutis aplasia.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFocal facial dermal dysplasia type IBitemporal aplasia cutis congenita · Brauer syndrome · FFDD type I · FFDD1 · Focal facial dermal dysplasia 1, Brauer type · Focal facial dermal dysplasia type 1
frDysplasie dermique faciale focale type IAplasie cutanée bitemporale congénitale · Dysplasie dermique faciale focale 1, type Brauer · FFDD type I · FFDD1 · Naevus aplasiques symétriques héréditaires des tempes · Syndrome de Brauer
deDysplasie, dermale faziale fokale, Typ IAplasia cutis congenita, bitemporale · Brauer-Syndrom · FFDD Typ I · FFDD1 · Fokale faziale dermale Dysplasie 1 vom Typ Brauer
esDisplasia dérmica focal facial tipo IAplasia cutis bitemporal congénita · Displasia dérmica facial focal tipo Brauer · Displasia dérmica focal facial 1 tipo Brauer · Displasia dérmica focal facial tipo 1 · FFDD tipo I · FFDD1 · Síndrome de Brauer
itDisplasia facciale focale del derma, tipo IAplasia cutanea congenita bitemporale · Displasia facciale focale del derma 1, tipo Brauer · Displasia facciale focale del derma, tipo 1 · FFDD, tipo I · FFDD1 · Sindrome di Brauer
nlFocale faciale dermale dysplasie type IBitemporale aplasia cutis congenita · Brauersyndroom · FFDD type I · FFDD1 · Focale faciale dermale dysplasie 1, Brauer-type · Focale faciale dermale dysplasie type 1
ptDisplasia dérmica focal facial tipo IDisplasia dérmica facial focal 1, tipo Brauer · Displasia dérmica facial focal tipo 1 · FFDD tipo I · FFDD1
plOgniskowa dysplazja skórna twarzy typu IFFDD typu I · FFDD1 · Ogniskowa dysplazja skórna twarzy 1, typ Brauera · Ogniskowa dysplazja skórna twarzy typu 1 · Wrodzona dwuskroniowa aplazja skóry · Zespół Brauera
csFokální faciální dermální dysplázie, typ IFFDD typ I · FFDD1 · Fokální faciální dermální dysplázie, typ 1 · Vrozená bitemporální aplázie kůže · Brauerův syndrom · Fokální faciální dermální dysplázie, Brauerův typ
ukФокальна дермальна дисплазія обиччя, тип ІВроджена бітемпоральна аплазія кукси · Синдром Брауера · FFDD тип I · FFDD1 · Фокальна дисплазія шкіри обличчя 1, тип Брауера · Фокальна дисплазія шкіри обличчя, тип 1
zh局灶性面部皮肤发育不良I型局灶性面部皮肤发育不良,1型brauer型
trFokal yüz dermal displazisitip IFFDD1 · FFDD tip I · Brauer sendromu · Bitemporal aplazi kutis konjenita · Fokal fasiyal dermal displazi tip 1 · Fokal fasiyal dermal displazi 1, Brauer tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM136500Evalidated
ICD-10Q82.8NTBTattributedvalidated
ICD-11LD27.0YNTBTattributedvalidated
MONDO0007627Evalidated
UMLSC5235196Evalidated

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/families81 casesWorldwideCase(s)Validated21931173[PMID]
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

17 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001999Abnormal facial shape
HP:0000561Absent eyelashes
HP:0001057Aplasia cutis congenita
HP:0001075Atrophic scars
HP:0009743Distichiasis
HP:0000294Low anterior hairline
HP:0010781Skin dimple
HP:0008070Sparse hair
HP:0005585Spotty hyperpigmentation
HP:0005590Spotty hypopigmentation
HP:0011221Vertical forehead creases
Frequent (79-30%)
HP:0000414Bulbous nose
HP:0000437Depressed nasal tip
HP:0002714Downturned corners of mouth
HP:0000307Pointed chin
HP:0005338Sparse lateral eyebrow
HP:0000215Thick upper lip vermilion

Run the differential on the 11 obligate / very frequent terms

7

Sources for this card