Infections and Avascular Necrosis (exam 4) Flashcards
1
Q
What is Avascular Necrosis?
A
Death of bone (osseous cellular and marrow components)
2
Q
Where does Avascular Necrosis love to be on the body?
A
Proximal femur (femur head)
3
Q
What is the time frame from infarction to healed deformity?
A
2-8 years
4
Q
What are the 4 stages of disease for avascular necrosis?
A
avascular phase, revascularization phase, repair and remodeling phase, deformity phase
5
Q
What occurs in the avascularization phase?
A
obliteration of epiphyseal blood supply which leads to tissue death (growth changes: bone stops, cartilage continues)
