raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3219

Fountain syndrome

historical

Synonyms: Deafness-skeletal dysplasia-coarse face with full lips syndrome · Deafness-skeletal dysplasia-lip granuloma syndrome · Hearing loss-skeletal dysplasia-coarse face with full lips syndrome · Hearing loss-skeletal dysplasia-lip granuloma syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
historical

Fountain syndrome is an extremely rare multi-systemic genetic disorder characterized by intellectual disability, deafness, skeletal abnormalities and coarse facial features.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFountain syndromeDeafness-skeletal dysplasia-coarse face with full lips syndrome · Deafness-skeletal dysplasia-lip granuloma syndrome · Hearing loss-skeletal dysplasia-coarse face with full lips syndrome · Hearing loss-skeletal dysplasia-lip granuloma syndrome
frSyndrome de FountainSyndrome de surdité-dysplasie squelettique-granulome labial · Syndrome de surdité-dysplasie squelettique-visage aux traits grossiers avec lèvres épaisses
deFountain-SyndromSchwerhörigkeit - Skelettdysplasie - Lippen-Granulom
esSíndrome de FountainSíndrome de hipoacusia-displasia esquelética-cara tosca y labios grandes · Síndrome de hipoacusia-displasia esquelética-granuloma labial · Síndrome de sordera-displasia esquelética-cara tosca y labios grandes · Síndrome de sordera-displasia esquelética-granuloma labial
itSindrome di FountainSordità - displasia scheletrica - faccia grossolana con labbra carnose · Sordità - displasia scheletrica - granuloma del labbro
nlSyndroom van FountainDoofheid - skeletdysplasie - grof gelaat met volle lippen-syndroom · Doofheid - skeletdysplasie - lipgranuloom-syndroom
ptSíndrome FountainSíndrome de perda auditiva-displasia esquelética-granuloma do lábio · Síndrome de surdez-displasia esquelética-granuloma do lábio
plZespół FountainaGłuchota - dysplazja szkieletowa - gruba twarz z pełnymi ustami · Głuchota - dysplazja szkieletowa - ziarniniak wargi
csFountainův syndromSyndrom zahrnující hluchotu, skeletální dysplázii a granulomy rtu · Syndrom zahrnující hluchotu, skeletální dysplázii a hrubé rysy obličeje s plnými rty
ukСиндром ФонтейнуСиндром глухоти-скелетної дисплазії-грубого обличчя з повними губами · Синдром глухоти-скелетної дисплазії-гранульоми губ · Синдром втрати слуху - скелетної дисплазії - грубого обличчя з повними губами · Синдром втрати слуху - скелетної дисплазії - гранульоми губ
zhFountain综合征听力丧失-骨骼发育不良-特殊面容伴嘴唇丰满综合征
trFountain sendromuSağırlık-iskelet displazisi-dudak granülom sendromu · İşitme kaybı-iskelet displazisi-dudak granülom sendromu · Sağırlık-iskelet displazisi-dolgun dudak sendromu ile seyreden kaba yüz · İşitme kaybı-iskelet displazisi-dolgun dudak sendromu ile seyreden kaba yüz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM229120Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2H.YNTBTindexvalidated
MONDO0009241Evalidated
MeSHC537270Evalidated
UMLSC0795944Evalidated
GARD64Evalidated
MedDRA10083946Evalidated

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 (3):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 casesWorldwideCase(s)Validated8897038[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_8897038[PMID]

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

44 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001156Brachydactyly
HP:0000280Coarse facial features
HP:0004493Craniofacial hyperostosis
HP:0000282Facial edema
HP:0001249Intellectual disability
HP:0000311Round face
HP:0000407Sensorineural hearing impairment
HP:0000179Thick lower lip vermilion
Frequent (79-30%)
HP:0002353EEG abnormality
HP:0000232Everted lower lip vermilion
HP:0000293Full cheeks
HP:0000974Hyperextensible skin
HP:0011800Midface retrusion
HP:0001482Subcutaneous nodule
HP:0000154Wide mouth
Occasional (29-5%)
HP:0001760Abnormal foot morphology
HP:0003312Abnormal form of the vertebral bodies
HP:0005916Abnormal metacarpal morphology
HP:0000174Abnormal palate morphology
HP:0002167Abnormality of speech or vocalization
HP:0000965Cutis marmorata
HP:0000286Epicanthus
HP:0010783Erythema
HP:0000212Gingival overgrowth
HP:0000316Hypertelorism
HP:0002808Kyphosis
HP:0001176Large hands
HP:0000276Long face
HP:0000256Macrocephaly
HP:0100255Metaphyseal dysplasia
HP:0000545Myopia
HP:0200034Papule
HP:0000767Pectus excavatum
HP:0000508Ptosis
HP:0100670Rough bone trabeculation
HP:0002650Scoliosis
HP:0001250Seizure
HP:0009882Short distal phalanx of finger
HP:0004322Short stature
HP:0002414Spina bifida
HP:0003298Spina bifida occulta
HP:0000664Synophrys
HP:0000574Thick eyebrow
HP:0000505Visual impairment
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Sources for this card