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1 OMIM reference -
1 associated gene
No signs/symptoms info
COMMON GENES: 1
1 OMIM reference -
2 associated genes
40 signs/symptoms
Chondrosarcoma
Langer-Giedion syndrome

EXT1 EXT1
TRPS1


COMMON
GENES
EXT1



Citations in the biomedical literature:


Chondrosarcoma
EXT1
Langer-Giedion syndrome
TRPS1



Chondrosarcoma
Langer-Giedion syndrome

Synonym(s):
(no synonyms)

Synonym(s):
- Deletion 8q24.1
- Monosomy 8q24.1
- Trichorhinophalangeal syndrome type 2

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

Classification (ICD10):
(no data available)
Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -

Epidemiological data:
(no data available)
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 -
1 MeSH reference: D002813
External references:
1 OMIM reference -
2 MeSH references: C536555 / D015826

Langer-Giedion syndrome

Very frequent
- Autosomal dominant inheritance
- Bone pain
- Bone tumefaction / swelling
- Cone epiphyses / epiphysis
- Delayed bone age
- Exostoses
- Hypotrichosis / atrichia / atrichiasis / scalp hairlessness
- Insterstitial / subtelomeric microdeletion / deletion
- Long philtrum
- Long / large / bulbous nose
- Low set ears / posteriorly rotated ears
- Philtrum flat / large / featureless / absent cupidon bows
- Prominent / bat ears
- Short stature / dwarfism / nanism
- Thin / retracted lips

Frequent
- Hyperextensible joints / articular hyperlaxity
- Hypoplastic mandibula / partial absence of the mandibula
- Intellectual deficit / mental / psychomotor retardation / learning disability
- Joint dislocation / subluxation
- Loose skin / skin relaxation / excess skin / creases
- Thick / bushy eyebrows

Occasional
- Abnormal dentition / dental position / implantation / unerupted / dental ankylosis
- Broad nose / nasal bridge
- Conductive deafness / hearing loss
- Congenital cardiac anomaly / malformation / cardiopathy
- Dilated cerebral ventricles without hydrocephaly
- Failure to thrive / difficulties for feeding in infancy / growth delay
- Femur anomaly / absence / agenesis / hypoplasia / bifurcation
- Flared / thick ala nasi
- Genu valgum
- High vaulted / narrow palate
- Hip dislocation / dysplasia / coxa valga / coxa vara / coxa plana
- Hypotonia
- Microcephaly
- Recurrent urinary infections
- Short hand / brachydactyly
- Simian crease / transverse / unique palmar crease
- Supernumerary teeth / polyodontia
- Talipes-varus / metatarsal varus
- Vesicorenal / vesicoureteral reflux


Chondrosarcoma

(no data available)