Question

multiple choice question
osteonecrosis (avascular necrosis) in sle most often affects which bone?
please select your answer..
a navicular
b femoral head
c calcaneus
d lunate

Explanation:

Osteonecrosis in Systemic Lupus Erythematosus (SLE) most commonly affects the femoral head due to its high - stress and blood - supply characteristics.

Answer:

B. Femoral head