Monday, April 2, 2012

Osteoarthritis

1-Osteoarthritis affects facet joints and sacro-iliac joints.

2-Anatomically, the joint space is formed from articular surface and joint space.

3-There are three changes occur in the joint space and other three changes occur in articular surface in case of osteoarthritis.

4-In the articular surface:
-Sub articular sclerosis.
-Sub articular cystic changes.
-Osteophytic lipping.

5-In the joint space:
-Narrowing.
-Vacuum phenomena.
-Disc calcification.

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