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1 associated gene
22 signs/symptoms
COMMON GENES: 1
COMMON SIGNS: 7
1 OMIM reference -
1 associated gene
38 signs/symptoms
Dysspondyloenchondromatosis
Kniest dysplasia

COL2A1 COL2A1


COMMON
GENES
COL2A1



Citations in the biomedical literature:


Dysspondyloenchondromatosis
COL2A1
Kniest dysplasia



Dysspondyloenchondromatosis
Kniest dysplasia

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
- Rare maxillo-facial surgical disease
- Rare otorhinolaryngologic 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: normal
Type of inheritance: autosomal dominant

External references:
No OMIM references
No MeSH references
External references:
1 OMIM reference -
1 MeSH reference: C537207


COMMON
SIGNS
- Autosomal dominant inheritance
- Dysostosis / chondrodysplasia / osteodysplasia / osteochondrosis / skeletal dysplasia
- Joint / articular deformation
- Osteoarthritis
- Platyspondyly
- Scoliosis
- Short stature / dwarfism / nanism


Dysspondyloenchondromatosis
Kniest dysplasia

Very frequent
- Anomalies of cartilages, joints and periarticular tissue
- Anomalies of spine, vertebrae and pelvis
- Autosomal recessive inheritance
- Exostoses
- Lower limb asymmetry / hemiatrophy / hemihypertrophy
- 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
- 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
- Depressed nasal bridge
- Epiphyseal anomaly
- Femur anomaly / absence / agenesis / hypoplasia / bifurcation
- Kyphosis
- Lordosis
- Mesomelic micromelia
- Metaphyseal anomaly
- Mid-facial hypoplasia / short / small midface
- Myopia
- Pelvis anomaly / Narrow / broad iliac wings / pubis abnormality
- Restricted joint mobility / joint stiffness / ankylosis
- Retinopathy
- Rhizomelic micromelia
- Short rib cage / thorax
- Vitreous anomalies / hyalitis / persistent vitreous vascularisation
- Wide rib cage / thorax

Frequent
- Cleft palate without cleft lip / submucosal cleft palate / bifid uvula
- Hearing loss / hypoacusia / deafness
- Hip dislocation / dysplasia / coxa valga / coxa vara / coxa plana
- Proptosis / exophthalmos
- Retinal detachment
- Round face

Occasional
- Cataract / lens opacification
- Glaucoma
- Glossoptosis
- Lens dislocation / luxation / subluxation / ectopia lentis
- Micrognathia / retrognathia / micrognathism / retrognathism
- Ptosis
- Respiratory distress / dyspnea / respiratory failure / lung volume reduction
- Tracheal atresia / stenosis
- Tracheomalacia / tracheobronchomalacia