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1 associated gene
22 signs/symptoms
COMMON GENES: 1
COMMON SIGNS: 3
1 OMIM reference -
1 associated gene
25 signs/symptoms
Dysspondyloenchondromatosis
Achondrogenesis type 2

COL2A1 COL2A1


COMMON
GENES
COL2A1



Citations in the biomedical literature:


Dysspondyloenchondromatosis
COL2A1
Achondrogenesis type 2



Dysspondyloenchondromatosis
Achondrogenesis type 2

Synonym(s):
(no synonyms)

Synonym(s):
- Achondrogenesis, Langer-Saldino type

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

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

Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: -
Average age of death: -
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:
No OMIM references
No MeSH references
External references:
1 OMIM reference -
1 MeSH reference: C536017


COMMON
SIGNS
- Autosomal dominant inheritance
- Dysostosis / chondrodysplasia / osteodysplasia / osteochondrosis / skeletal dysplasia
- Short stature / dwarfism / nanism


Dysspondyloenchondromatosis
Achondrogenesis type 2

Very frequent
- Anomalies of cartilages, joints and periarticular tissue
- Anomalies of spine, vertebrae and pelvis
- Autosomal recessive inheritance
- Exostoses
- Joint / articular deformation
- Lower limb asymmetry / hemiatrophy / hemihypertrophy
- Scoliosis
- Vascular anomalies of skin / mucosae
- Vertebral segmentation anomaly / hemivertebrae

Frequent
- Delayed bone age
- Fibula anomaly (excluding short) / absence / agenesis / hypoplasia / fibular ray anomaly
- Genu valgum
- Osteoarthritis
- Platyspondyly
- Ulnar / cubital anomaly / absence / agenesis / hypoplasia / abnormal ulnar / cubital ray

Occasional
- Bone / osseous neoplasm / tumor / carcinoma / cancer
- Capillary hemangioma / nevus / naevus flammeus / port-wine stain
- Intellectual deficit / mental / psychomotor retardation / learning disability
- Intracranial / cerebral calcifications


Very frequent
- Abnormal / absent ossification
- Anteverted nares / nostrils
- Excess nuchal skin without pterygium colli
- Flat face
- Frontal bossing / prominent forehead
- Hydrops fetalis
- Hypoplastic lungs / pulmonary hypoplasia / agenesis
- Long philtrum
- Macrocephaly / macrocrania / megalocephaly / megacephaly
- Micrognathia / retrognathia / micrognathism / retrognathism
- Narrow rib cage / thorax
- Short limbs / micromelia / brachymelia
- Short neck
- Short rib cage / thorax
- Short / small nose
- Stillbirth / neonatal death

Frequent
- Inguinal / inguinoscrotal / crural hernia
- Polyhydramnios
- Umbilical hernia

Occasional
- Congenital cardiac anomaly / malformation / cardiopathy
- Cystic hygroma
- Postaxial polydactyly (hand)