Bruck syndrome 1
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Description
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs.
Orpha Number: 2771
Definition
Bruck syndrome is characterised by the association of osteogenesis imperfecta and congenital joint contractures.
Epidemiology
Prevalence is unknown but less than 40 cases have been reported in the literature so far.
Clinical description
Features include osteoporosis and bone fragility, progressive joint contractures sometimes associated with pterygia, wormian bones, scoliosis due to vertebral deformities and short stature. Mental development is normal.
Etiology
The syndrome is genetically heterogeneous: the locus was mapped to chromosome 17p12 in one family (Bruck syndrome 1) but mutations in the PLOD2 gene (3q24) encoding telopeptide lysyl hydroxylase (Bruck syndrome 2) have been identified in other affected individuals.
Genetic counseling
Transmission is autosomal recessive.
Visit the Orphanet disease page for more resources.
Source: GARD Last updated on 05-01-20
Symptoms
Symptoms and their Known Frequencies
80%-99% of people have these symptoms.
Click on a symptom to see definitions for associated terms.
| Osteoporosis |
| Arthrogryposis multiplex congenita |
| Joint stiffness |
| Recurrent fractures |
| Short stature |
| Abnormality of lateral ventricle |
| Wormian bones |
30%-79% of people have these symptoms.
Click on a symptom to see definitions for associated terms.
| Talipes equinovarus |
| Respiratory insufficiency |
| Triangular face |
| Pterygium |
| Generalized bone demineralization |
| Subchorionic septal cyst |
| Kyphosis |
| Scoliosis |
5%-29% of people have these symptoms.
Click on a symptom to see definitions for associated terms.
| Platyspondyly |
| Bowing of the long bones |
| Type D brachydactyly |
| Wide proximal femoral metaphysis |
An unknown % of people have these symptoms.
Click on a symptom to see definitions for associated terms.
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