raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1784

Acrofrontofacionasal dysostosis

Synonyms: Richieri-Costa-Colletto syndrome

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

A rare congenital malformation syndrome characterized by the association of facial and skeletal anomalies with severe intellectual deficit and occasional genitourinary anomalies.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAcrofrontofacionasal dysostosisRichieri-Costa-Colletto syndrome
frDysostose acrofrontofacionasaleSyndrome de Richieri Costa-Colletto
deDysostose, akro-fronto-fazio-nasaleRichieri-Costa-Colletto-Syndrom
esDisostosis acro-fronto-facio-nasalSíndrome de Richieri-Costa-Colletto
itDisostosi acro-fronto-facio-nasaleSindrome di Richieri Costa-Colletto
nlAcrofrontofacionasale dysostoseSyndroom van Richieri-Costa-Colletto
ptDisostose acro-fronto-facio-nasalSíndrome Richieri-Costa-Colletto
plDyzostoza kończynowo-czołowa-twarzowo-nosowaZespół Richieri, Costa i Colletto
csAkrofrontofacionazální dysostózaRichieri-Costův-Collettové syndrom · Richieri-Costa-Collettové syndrom
ukАкрофронтофаціоназальний дизостозСиндром Річєрі-Коста-Коллетто
zh肢端-前额-面-鼻骨发育不全Richieri-Costa-Colletto综合征
trAkrofrontofasiyonazal disostozRichieri-Costa-Colletto sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM201180Evalidated
ICD-10Q75.1NTBTattributedvalidated
ICD-11LD25.3NTBTindexvalidated
MONDO0008715Evalidated
MeSHC538186Evalidated
UMLSC1860118Evalidated
GARD484Evalidated

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/families12 casesWorldwideCase(s)Validated22052670[PMID]_18553510[PMID]_2830788[PMID]_2986457[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_22052670[PMID]_18553510[PMID]_2830788[PMID]_2986457[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

29 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0005930Abnormality of epiphysis morphology
HP:0001798Anonychia
HP:0100840Aplasia/Hypoplasia of the eyebrow
HP:0000248Brachycephaly
HP:0001156Brachydactyly
HP:0000337Broad forehead
HP:0000455Broad nasal tip
HP:0011304Broad thumb
HP:0001088Brushfield spots
HP:0100490Camptodactyly of finger
HP:0002120Cerebral cortical atrophy
HP:0000175Cleft palate
HP:0004132Dimple on nasal tip
HP:0000494Downslanted palpebral fissures
HP:0000625Eyelid coloboma
HP:0000218High palate
HP:0000316Hypertelorism
HP:0001053Hypopigmented skin patches
HP:0010864Intellectual disability, severe
HP:0002983Micromelia
HP:0011800Midface retrusion
HP:0100335Non-midline cleft of the upper lip
HP:0000508Ptosis
HP:0009882Short distal phalanx of finger
HP:0004322Short stature
Frequent (79-30%)
HP:0000232Everted lower lip vermilion
Occasional (29-5%)
HP:0000119Abnormality of the genitourinary system
HP:0000048Bifid scrotum
HP:0000047Hypospadias

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card