Clean FRCS notes with inline figures
Cleidocranial Dysplasia (Dysostosis)
•AD, RUNX2/CBFA1 mutation affecting osteoblast
•Skeletal dysplasia affecting bones formed by intramembranous ossification
•Typical clavicular absence / hypoplasia (clavicle fully formed by intramembranous ossification)
•Proportional short stature
•Hypermobile shoulder
Midline structure
•Delayed closure of sutures → frontal bossing
•Delayed ossification of pubic
•Delayed formation of permanent teeth
•Coxa vara
•Shortened MP of 3-5 fingers

