raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3021

RAPADILINO syndrome

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

A rare multiple congenital anomalies characterized by distinctive signs and facial associated features from which the acronym RAPADILINO is made: RA for radial ray defect, PA for patellae hypoplasia/aplasia and cleft or highly arched palate, DI for diarrhea and dislocated joints, LI for little size and limb malformations, NO for long, slender nose and normal intelligence.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRAPADILINO syndrome
frSyndrome RAPADILINO
deRAPADILINO-Syndrom
esSíndrome RAPADILINO
itSindrome RAPADILINO
nlRAPADILINO-syndroom
ptSíndrome RAPADILINO
plZespół RAPADILINO
csRAPADILINO syndrom
ukСиндром RAPADILINO
zhRAPADILINO综合征
trRAPADILINO sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM266280Evalidated
ICD-10Q87.1NTBTattributedvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0009955Evalidated
MeSHC535288Evalidated
UMLSC1849453Evalidated
GARD4637Evalidated
MedDRA10088963Evalidated

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 (5):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RECQL4Disease-causing germline mutation(s) inAssessedHGNC:9949ENSG000001609576037808q24.3RecQ like helicase 412952869[PMID]_18716613[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families20 casesWorldwideCase(s)Validated18716613[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_18716613[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

15 annotations · validated 2025-04-17
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001511Intrauterine growth retardation
HP:0008897Postnatal growth retardation
Frequent (79-30%)
HP:0040064Abnormality of limbs
HP:0006498Aplasia/Hypoplasia of the patella
HP:0006501Aplasia/Hypoplasia of the radius
HP:0009601Aplasia/Hypoplasia of the thumb
HP:0000175Cleft palate
HP:0002014Diarrhea
HP:0011968Feeding difficulties
HP:0000218High palate
HP:0000417Slender nose
Occasional (29-5%)
HP:0004313Decreased circulating antibody level
HP:0005403Decreased total T cell count
Excluded (0%)
HP:0001249Intellectual disability
HP:0001029Poikiloderma

Run the differential on the 2 obligate / very frequent terms

Annotation source: 26064716[PMID]_33477564[PMID]_18716613[PMID]

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Sources for this card