PERTHES

Question 1

What is Perthes ?

Answer 1

Idiopathic osteonecrosis of the femoral epiphysis.

Question 2

Does perthes mostly affect males of females ?

Answer 2

MALES

Question 3

What are the 4 stages of Perthes disease ?

Answer 3

1) Devascularisation of the femoral epiphysis.
2) Collapse of the epiphysis.
3)Fragmentation.
4) Re- ossification and remodelling of femoral epiphysis.

Question 4

If remodelling is unsuccessful after Perthes, what is the patient at risk of in later life ?

Answer 4

Osteoarthritis.