Dysostosis

Dysostosis
Specialty	Medical genetics

A dysostosis is a disorder of the development of bone, in particular affecting ossification.^[1]

It is one of the two categories of constitutional disorders of bone (the other being osteochondrodysplasia).^[2]

When the disorder involves the joint between two bones, the term synostosis is often used.

References

↑ "dysostosis" at Dorland's Medical Dictionary
↑ Offiah AC, Hall CM (March 2003). "Radiological diagnosis of the constitutional disorders of bone. As easy as A, B, C?". Pediatr Radiol. 33 (3): 153–61. doi:10.1007/s00247-002-0855-8. PMID 12612812.

Classification	D MeSH: D004413 DiseasesDB: 31424

clavicle / shoulder:	Cleidocranial dysostosis Sprengel's deformity Wallis–Zieff–Goldblatt syndrome
hand deformity:	Madelung's deformity Clinodactyly Oligodactyly Polydactyly

hip:	Dislocation of hip / Hip dysplasia Upington disease Coxa valga Coxa vara
knee:	Genu valgum Genu varum Genu recurvatum Discoid meniscus Congenital patellar dislocation Congenital knee dislocation
foot deformity:	varus Club foot Pigeon toe valgus Flat feet Pes cavus Rocker bottom foot Hammer toe

Either / both

fingers and toes	Polydactyly / Syndactyly Webbed toes Arachnodactyly Cenani–Lenz syndactylism Ectrodactyly Brachydactyly Stub thumb
reduction deficits / limb:	Acheiropodia Ectromelia Phocomelia Amelia Hemimelia
multiple joints:	Arthrogryposis Larsen syndrome Rapadilino syndrome

Craniosynostosis:	Scaphocephaly Oxycephaly Trigonocephaly
Craniofacial dysostosis:	Crouzon syndrome Hypertelorism Hallermann–Streiff syndrome Treacher Collins syndrome
other:	Macrocephaly Platybasia Craniodiaphyseal dysplasia Dolichocephaly Greig cephalopolysyndactyly syndrome Plagiocephaly Saddle nose

ribs:	Cervical Bifid
sternum:	Pectus excavatum Pectus carinatum

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