《Slide 156.》Avascular necrosis, Femur
　

A. Brief Descriptions：

1. Also called osteonecrosis.

2. Infarction of bone and marrow.

3. Caused by interruption of blood flow induced by a mechanical disruption, such as fracture, dislocation, or thrombosis.

B. Gross Findings：

     略.

C. Micro Findings：

1. Necrotic bone.

2. Sclerotic bone.

3. Calcification.

4. Vascular granulation tissue.

D. Others:

1. What is different between avascular necrosis and osteomyelitis?

E. Reference：

1. Robbins Pathologic Basis of Disease, 6^th ed.  P1231.

　

 

【 Fig. 156-1 (LP)】