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1 OMIM reference -
1 associated gene
7 signs/symptoms
COMMON GENES: 1
COMMON SIGNS: 1
1 OMIM reference -
1 associated gene
18 signs/symptoms
Severe achondroplasia - developmental delay - acanthosis nigricans
Muenke syndrome

FGFR3 FGFR3


COMMON
GENES
FGFR3



Citations in the biomedical literature:


Severe achondroplasia - developmental delay - acanthosis nigricans
FGFR3
Muenke syndrome



Severe achondroplasia - developmental delay - acanthosis nigricans
Muenke syndrome

Synonym(s):
- SADDAN

Synonym(s):
(no synonyms)

Classification (Orphanet):
- Rare bone disease
- Rare developmental defect during embryogenesis
- Rare genetic disease
- Rare skin disease
Classification (Orphanet):
- Rare bone disease
- Rare developmental defect during embryogenesis
- Rare genetic disease

Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -
Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -

Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: childhood
Average age of death: no data available
Type of inheritance: autosomal dominant
Epidemiological data:
Class of prevalence: unknown
Average age onset: neonatal/infancy
Average age of death: -
Type of inheritance: autosomal dominant

External references:
1 OMIM reference -
No MeSH references
External references:
1 OMIM reference -
1 MeSH reference: C537369


COMMON
SIGNS
- Intellectual deficit / mental / psychomotor retardation / learning disability


Severe achondroplasia - developmental delay - acanthosis nigricans
Muenke syndrome

Very frequent
- Anomalies of bones / skeletal anomalies
- Seizures / epilepsy / absences / spasms / status epilepticus

Frequent
- Clavicle absent / abnormal
- Femur anomaly / absence / agenesis / hypoplasia / bifurcation
- Fibula anomaly (excluding short) / absence / agenesis / hypoplasia / fibular ray anomaly
- Tibia anomaly (excluding short) / absence / agenesis / hypoplasia / tibial ray anomaly



Very frequent
- Autosomal dominant inheritance

Frequent
- Brachycephaly / flat occiput
- Carpal bones fusion / synostosis
- Cone epiphyses / epiphysis
- Cranial hypertension
- High vaulted / narrow palate
- Hypertelorism
- Mid-facial hypoplasia / short / small midface
- Plagiocephaly
- Proptosis / exophthalmos
- Ptosis
- Sensorineural deafness / hearing loss
- Short foot / brachydactyly of toes
- Short hand / brachydactyly
- Tarsal anomaly / fusion / synostosis

Occasional
- Hydrocephaly
- Macrocephaly / macrocrania / megalocephaly / megacephaly