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Bruck syndrome; osteogenesis imperfecta with congenital joint contractures
Pathology:
- the molecular defect is an aberrant cross-linking of bone collagen, due to underhydroxylation of Lys within the telopeptides of collagen type 1, whereas the Lys in the triple helix are normal
Genetics:
- type 2
- autosomal recessive
- associated with defects in PLOD2
Clinical manifestations:
- generalized osteopenia
- joint contractures at birth
- fragile bones & short stature
Differential diagnosis:
- distinguished from osteogenesis imperfecta by the absence of hearing loss & dentinogenesis imperfecta, & by the presence of clubfoot & congenital joint limitations
General
genetic syndrome (multisystem disorder)
osteogenesis imperfecta; osteopsathyrosis; fragilitas ossium; Lobstein's disease (OI)
Database Correlations
OMIM 609220
References
OMIM :accession 609220