Skeletal dysplasia Flashcards
define dysplasia
abnormal development
Genetic defect for ACHONDROPLASIA
FGFR3
AD (though 80% sporadic)
Genetic defect for HYPOCHONDROPLASIA
FGFR3
Genetic defect for PSEUDOACHONDROPLASIA
COMP
Genetic defect for MULTIPLE EPIPHYSEAL DYSPLASIA (MED) TYPE 1
COMP
Genetic defect for MULTIPLE EPIPHYSEAL DYSPLASIA (MED) TYPE 2
type IX collagen
Genetic defect for SPONDYLOEPIPHYSEAL DYSPLASIA (SED)
Type II collagen
Congenita: AD + more severe
Tarda: X-linked Recessive
Genetic defect for KNIEST SYNDROME
Type II collagen
Genetic defect for STICKLER SYNDROME (HEREDITARY ARTHRO-OPTHALMOPATHY)
Type II collagen
Genetic defect for DIASTROPHIC DYSPLASIA
Sulfate transporter gene
- DTDST gene (SLC26A2) on chromosome 5
AD
Genetic defect for SCHMID METAPHYSEAL CHONDRODYSPLASIA
Type X collagen
Genetic defect for JANSEN METAPHYSEAL CHONDRODYSPLASIA
PTHRP
Genetic defect for CRANIOSYNOSTOSIS
FGFR2
Genetic defect for CLEIDOCRANIAL DYSPLASIA
CBFA1
Genetic defect for HYPOPHOSPHATEMIC RICKETS
PEX