1. Primary Osteosarcoma, Distal Femur - Gross
This is a classic example of primary osteosarcoma. Note that the
tumor is from a young patient (growth plate is still evident).
Primary osteosarcomas characteristically arise in the metaphysis and
destroy the cortex. It is rare for the tumor to extend into the
joint. Which sex is more commonly afflicted by primary osteosarcomas,
and at which anatomic site do they most commonly arise?
Answer
What is the significance of trauma in this case?
Answer
