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2 associated genes
20 signs/symptoms
COMMON GENES: 1
COMMON SIGNS: 8
1 OMIM reference -
1 associated gene
21 signs/symptoms
Pfeiffer syndrome type 1
Jackson-Weiss syndrome

FGFR1 FGFR2
FGFR2


COMMON
GENES
FGFR2



Citations in the biomedical literature:


Pfeiffer syndrome type 1
FGFR1 FGFR2
Jackson-Weiss syndrome



Pfeiffer syndrome type 1
Jackson-Weiss syndrome

Synonym(s):
- Classic Pfeiffer syndrome

Synonym(s):
- Craniosynostosis - midfacial hypoplasia - foot abnormalities
- JWS

Classification (Orphanet):
- Rare bone disease
- Rare developmental defect during embryogenesis
- Rare eye disease
- Rare genetic 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: -
Average age onset: -
Average age of death: -
Type of inheritance: autosomal dominant
Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: neonatal/infancy
Average age of death: -
Type of inheritance: autosomal dominant

External references:
No OMIM references
No MeSH references
External references:
1 OMIM reference -
1 MeSH reference: C537559


COMMON
SIGNS
- Autosomal dominant inheritance
- Broad / bifid big toe
- High vaulted / narrow palate
- Hypertelorism
- Mid-facial hypoplasia / short / small midface
- Proptosis / exophthalmos
- Syndactyly of fingers / interdigital palm
- Syndactyly of toes


Pfeiffer syndrome type 1
Jackson-Weiss syndrome

Very frequent
- Brachycephaly / flat occiput
- Broad / bifid thumb
- Depressed nasal bridge
- High forehead
- Short big toe
- Short / small nose
- Thumb hypoplasia / aplasia / absence

Frequent
- Low set ears / posteriorly rotated ears
- Short foot / brachydactyly of toes
- Short hand / brachydactyly

Occasional
- Hearing loss / hypoacusia / deafness
- Stenosis of aqueduc of Sylvius


Very frequent
- Tarsal anomaly / fusion / synostosis
- Turricephaly / oxycephaly / acrocephaly

Frequent
- Beaked nose
- Flat supraorbital ridge
- Frontal bossing / prominent forehead
- Hypoplastic maxillary bones / zygomatic bones / maxillary hypoplasia
- Prognathism / prognathia
- Ptosis
- Strabismus / squint

Occasional
- Fibula anomaly (excluding short) / absence / agenesis / hypoplasia / fibular ray anomaly
- Oligodactyly / ectrodactyly of toes
- Preaxial polydactyly of toes / big toe duplication
- Symphalangy of fingers