tumour prosthesis

E Reimplantation Femur

Implant Options

 

1.  Long stem cemented revision femoral stem

 

Modern cementing techniques
- removal of neocortex


Advantage
- use in all cases
- good with elderly fragile bone
- can use Abx cement (decreases infection rate)


Indications
- Paprosky Types I – IV
- very versatile

 

Technique

- complete removal / debridement of neocortex

Parosteal Osteosarcoma

Epidemiology

 

Uncommon

- 4% OS

 

Females more common 

- similar to GCT

 

NHx

 

Less aggressive locally

- less metastasis

- size / location & duration of symptoms don't correlate with outcome

 

Arise from cortex of bone / periosteum

- parosteal 

- periosteal

- high grade juxtacortical