OA

Question 1

What are the Xray findings of OA ?

Answer 1

Loss of joint space
Osteophyte formation
Subchondral sclerosis
Subchondral cysts.

Question 2

What location is OA usually distributed ?

Answer 2

Any synovial joint.
Large weight bearing joints.

DIP in hands.

Question 3

List the 4 classifications of OA ?

Answer 3

Grade 0 - No OA
grade 2 ( Mild) - Definite joint space narrowing and osteophytosis.
grade 3 ( Moderate) - Definite joint space narrowing, multiple osteophytes and subtle deformity of the surface.
Grade 4 (Severe) - Marked joint space narrowing, multiple large osteophytes and definite deformity of the articular surface.