ODCs

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Hypochondroplasia

1 OMIM reference -
1 associated gene
21 signs/symptoms

COMMON GENES: 1
COMMON SIGNS: 3

Crouzon syndrome - acanthosis nigricans

1 OMIM reference -
1 associated gene
29 signs/symptoms

Hypochondroplasia

Crouzon syndrome - acanthosis nigricans

FGFR3

(UniProt - OMIM)

(UniProt - OMIM)


COMMON GENES	FGFR3

Citations in the biomedical literature:

Hypochondroplasia		Crouzon syndrome - acanthosis nigricans
	Synonym(s): (no synonyms)		Synonym(s): - Crouzono-dermoskeletal syndrome

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

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

	Epidemiological data: Class of prevalence: 1-9 / 100 000 Average age onset: childhood Average age of death: normal 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: 1 OMIM reference - No MeSH references		External references: 1 OMIM reference - No MeSH references


COMMON SIGNS	- Abnormal vertebral size / shape - Autosomal dominant inheritance - Short hand / brachydactyly

Hypochondroplasia		Crouzon syndrome - acanthosis nigricans
	Very frequent - Dysostosis / chondrodysplasia / osteodysplasia / osteochondrosis / skeletal dysplasia - Short foot / brachydactyly of toes - Short limbs / micromelia / brachymelia - Short stature / dwarfism / nanism Frequent - Elbow anomalies(excluding luxation) - Femur anomaly / absence / agenesis / hypoplasia / bifurcation - Genu varum - Hyperextensible joints / articular hyperlaxity - Metaphyseal anomaly - Pelvis anomaly / Narrow / broad iliac wings / pubis abnormality Occasional - Apnea / sleep apnea - Bowed diaphysis / diaphyses / long bones - Intellectual deficit / mental / psychomotor retardation / learning disability - Lordosis - Macrocephaly / macrocrania / megalocephaly / megacephaly - Osteoarthritis - Rachidian / spine canal stenosis - Scoliosis		Very frequent - Acanthosis nigricans - Frontal bossing / prominent forehead - High forehead Frequent - Arnold-Chiari anomaly - Brachycephaly / flat occiput - Cerebellum / cerebellar vermis anomaly / agenesis / hypoplasia - Choanal atresia - Chronic uveitis / blepharitis / episcleritis / scleritis / conjonctivitis / keratitis - Conductive deafness / hearing loss - Cranial hypertension - Hydrocephaly - Hypertelorism - Hypoplastic maxillary bones / zygomatic bones / maxillary hypoplasia - Metacarpal anomalies / Archibald's sign - Mid-facial hypoplasia / short / small midface - Proptosis / exophthalmos - Ptosis - Strabismus / squint - Turricephaly / oxycephaly / acrocephaly Occasional - Beaked nose - Facial pain / cephalalgia / migraine - High vaulted / narrow palate - Optic nerve anomaly / optic atrophy / anomaly of the papilla - Respiratory distress / dyspnea / respiratory failure / lung volume reduction - Sacro-coccyx / sacrum anomaly - Visual loss / blindness / amblyopia