Protusio Acetabuli

Primary

 

Otto's Disease

- bilateral 1/3

- middle aged females

- pain & decreased ROM early

- coxa vara & OA common

 

Bilateral Hip Protrusio

 

Secondary / PROFSHAMN

 

Paget's

 

RA / Radiation

 

Osteomalacia / OI

 

Fracture - Central Dislocation

 

Septic arthritis especially TB

 

Hemiarthroplasty or bipolar

 

Ankylosing Spondylitis / Reiter's

 

Marfan's syndrome / Ehler Danlos / Stickler

 

Malignancy

 

Neurofibromatosis