raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:324540

Aphonia-deafness-retinal dystrophy-bifid halluces-intellectual disability syndrome

Synonyms: Aphonia-deafness-retinal dystrophy-duplicated halluces-intellectual disability syndrome · Aphonia-hearing loss-retinal dystrophy-duplicated halluces-intellectual disability syndrome

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

A rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by moderate to severe intellectual disability, congenital aphonia, hearing loss, optic atrophy, retinal dystrophy, broad thumbs and duplicated halluces. Facial dysmorphism (incl. thick eyebrows, ptosis, long, downslanting palpebral fissures, microstomia, low-set, posteriorly rotated ears) and genital abnormalities are also associated.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAphonia-deafness-retinal dystrophy-bifid halluces-intellectual disability syndromeAphonia-deafness-retinal dystrophy-duplicated halluces-intellectual disability syndrome · Aphonia-hearing loss-retinal dystrophy-duplicated halluces-intellectual disability syndrome
frSyndrome d'aphonie-surdité-dystrophie rétinienne-gros orteil bifide-déficience intellectuelle
deAphonie-Schwerhörigkeit-Retinadystrophie-Bifid Hallux-Intelligenzminderung-SyndromAphonie-Hörverlust-Retinadystrophie-verdoppelte Großzehe-Intelligenzminderung-Syndrom
esSíndrome de afonía-sordera-distrofia retiniana-hallux bífido-discapacidad intelectualSíndrome de afonía-hipoacusia-distrofia retiniana-duplicación del hallux-discapacidad intelectual · Síndrome de afonía-sordera-distrofia retiniana-duplicación del hallux-discapacidad intelectual
itSindrome da afonia, sordità, distrofia retinica, alluci bifidi e disabilità intellettivaAfonia - sordità - distrofia retinica - duplicazione degli alluci - deficit cognitivo
nlAfonie - doofheid - retinale dystrofie - gespleten halluces - intellectuele achterstand-syndroomAfonie - doofheid - retinale dystrofie - verdubbelde halluces - intellectuele achterstand-syndroom · Afonie - gehoorverlies - retinale dystrofie - verdubbelde halluces - intellectuele achterstand-syndroom
ptSíndrome de afonia-surdez-distrofia retiniana-hálux bífidos-perturbação do desenvolvimento intelectualSíndrome de afonia-perda auditiva-distrofia retiniana-hálux bífidos-perturbação do desenvolvimento intelectual · Síndrome de afonia-surdez-distrofia retiniana-hálux duplicados-perturbação do desenvolvimento intelectual
plAfonia - głuchota - dystrofia siatkówki - rozszczep dużych palców stóp - niepełnosprawność intelektualnaAfonia - głuchota - dystrofia siatkówki - zdwojenie dużych palców stóp - niepełnosprawność intelektualna
csSyndrom zahrnující afonii, hluchotu, retinální dystrofii, zdvojené palce a mentální retardaciSyndrom zahrnující afonii, hluchotu, retinální dystrofii, dvojité palce a mentální retardaci
ukСиндром афонії-глухоти-дистрофії сітківки-bifid halluces-інтелектуальної недостатностіСсиндром афонії-глухоти-дистрофії сітківки-подвоєних halluces- інтелектуальної недостатності · Ссиндром афонії-втрати слуху-дистрофії сітківки-подвоєних halluces- інтелектуальної недостатності
zh失音-耳聋-视网膜营养不良-双拇裂-智力障碍综合征失音-听力丧失-视网膜营养不良-双拇趾-智力障碍综合征
trAfoni-sağırlık-retinal distrofi-bifid halüsler-zihinsel yetersizlik sendromuAfoni-sağırlık-retinal distrofi-duplike halüsler-zihinsel yetersizlik sendromu · Afoni-işitme kaybı-retina distrofi-duplike halüsler-zihinsel yetersizlik sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.0NTBTattributedvalidated
MONDO0017934Evalidated
UMLSC4751006Evalidated

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 (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated22991300[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

35 annotations · validated 2019-10-17
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0001488Bilateral ptosis
HP:0011304Broad thumb
HP:0000494Downslanted palpebral fissures
HP:0010193Duplication of distal phalanx of toe
HP:0010066Duplication of phalanx of hallux
HP:0011968Feeding difficulties
HP:0009537Flexion contracture of the 2nd finger
HP:0009600Flexion contracture of thumb
HP:0000293Full cheeks
HP:0001822Hallux valgus
HP:0000059Hypoplastic labia majora
HP:0010864Intellectual disability, severe
HP:0001511Intrauterine growth retardation
HP:0003186Inverted nipples
HP:0009183Joint contracture of the 5th finger
HP:0001602Laryngeal stenosis
HP:0000527Long eyelashes
HP:0000637Long palpebral fissure
HP:0001686Loss of voice
HP:0000691Microdontia
HP:0000160Narrow mouth
HP:0000648Optic atrophy
HP:0000358Posteriorly rotated ears
HP:0000556Retinal dystrophy
HP:0000407Sensorineural hearing impairment
HP:0001799Short nail
HP:0000486Strabismus
HP:0001182Tapered finger
HP:0000574Thick eyebrow
HP:0012471Thick vermilion border
HP:0008757Unilateral vocal cord paralysis
HP:0000687Widely spaced teeth
Occasional (29-5%)
HP:0000048Bifid scrotum
HP:0000064Hypoplastic labia minora
HP:0000046Small scrotum

Annotation source: 22991300[PMID]

7

Sources for this card