raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:276630

Symptomatic form of Coffin-Lowry syndrome in female carriers

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Antenatal, Infancy, Neonatal
Status
active

A rare X-linked syndromic intellectual disability which in symptomatic, female carriers is characterized by a highly variable phenotype including facial dysmorphisms (prominent forehead, hypertelorism, down-slanting palpebral fissures, epicanthic folds, thick lips with everted lower vermilion, thick nasal alae, and septum), short hands with tapering fingers, short stature and skeletal findings (progressive kyphoscoliosis). Intellectual disability is mild to moderate, but intellect can also be normal. A high rate of psychiatric disorders has also been reported.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSymptomatic form of Coffin-Lowry syndrome in female carriers
frForme symptomatique du syndrome de Coffin-Lowry de la femme porteuse
deSymptomale Form des Coffin-Lowry-Syndroms bei weiblichen Anlageträgerinnen
esForma sintomática del síndrome de Coffin-Lowry en mujeres portadoras
itForma sintomatica della sindrome di Coffin-Lowry nelle femmine portatrici
nlSymptomatische vorm van Coffin-Lowrysyndroom bij vrouwelijke dragers
ptSíndrome de Coffin-Lowry em mulheres portadoras, forma sintomática
plObjawowa postać zespołu Coffina i Lowry'ego u kobiet nosicielek
csSymptomatická forma Coffinova-Lowryho syndromu u žen přenašečekSymptomatická forma Coffin-Lowryho syndromu u žen přenašeček
ukСимптоматична форма синдрому Коффіна-Лоурі у жінок-носіїв
zh女性Coffin-Lowry综合征携带者症候
trKadın taşıyıcılarda Coffin-Lowry sendromunun semptomatik formu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300844Evalidated
ICD-10Q87.0NTBTattributedvalidated
MONDO0017193Evalidated
UMLSC5680787Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RPS6KA3Disease-causing germline mutation(s) inAssessedHGNC:10432ENSG00000177189300075Xp22.12ribosomal protein S6 kinase A320301520[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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

21 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001176Large hands
HP:0001182Tapered finger
Occasional (29-5%)
HP:0030680Abnormal cardiovascular system morphology
HP:0000674Anodontia
HP:0007302Bipolar affective disorder
HP:0000716Depression
HP:0000494Downslanted palpebral fissures
HP:0000232Everted lower lip vermilion
HP:0002007Frontal bossing
HP:0000316Hypertelorism
HP:0001252Hypotonia
HP:0002808Kyphosis
HP:0001513Obesity
HP:0000677Oligodontia
HP:0000768Pectus carinatum
HP:0000767Pectus excavatum
HP:0000709Psychosis
HP:0002650Scoliosis
HP:0001250Seizure
HP:0004322Short stature
HP:0000445Wide nose

Run the differential on the 2 obligate / very frequent terms

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Sources for this card