Pseudarthrosis of Clavicle

Congenital Clavicle Pseuodarthrosis

Epidemiology

 

Rare condition

 

Aetiology

 

Theories

1. Failure of fusion of 2 ossification centres of clavicle

2. Pressure from subclavian artery

 

Clinical Features

 

Painless swelling over mid clavicle

- almost always on Right side

- presents soon after birth

 

 

 

X-ray

 

Bulbous ends overlying each other

 

DDx

 

Birth fracture of clavicle

- painful

- history of traumatic delivery

- callus on Xray

 

Cleidocranial Dysostosis

- abnormality of intramembranous ossification

- bilateral

- associated facial / jaw & pelvic bone abnormality

- no palpable lump

 

NHx

 

Painless

- no functional problem

 

Management

 

Indications

 

Cosmetic issue from lump

 

Surgical options

 

1. Excision of prominent lateral end of sternal part

2. Bone graft & internal fixation