Osteoarthritis

Question 1

Erythema in arthritic disease should make you think of what 2 disorders?

Answer 1

Crystal Joint Disease and Septic Joint

Question 2

How common is Osteoarthritis?

Answer 2

It is the most common joint disease and the leading cause of disability in the elderly.

Question 3

Fundamental Feature of Osteoarthritis

Answer 3

Degeneration of the articular cartilage

Question 4

Casues of Osteoarthritis

Answer 4

Single event of macrotrauma or yearts of microtrauma causing chondrocytes to release degradative enzymes and exhibit inadequate repair responses.

Question 5

Structural and Morphological Changes associated with Osteoarthritis

Answer 5

1. Subchondral Bone Cysts
2. Increased subchondral bone thickness
3. Formation of osteophytes
   morphological include dislodged pieces of cartilage and subchondral bone are loose in the joint (joint mice)
   Exposed subchondral bone plate is the new articular surface (Eburnation)

Question 6

Risk Factors for Osteoarthritis

Answer 6

Age
Genetics
Obesity
Trauma

Question 7

Osteoarthritis Symptoms

Answer 7

P A I N
Morning joint stifness
Crepitus
NO SYSTEMIC MANIFESTATIONS (wt. loss, fever, etc.)

Question 8

Legg-Calce-Perthes Disease

Answer 8

Idiopathic AVN of the Femoral Head seen in boys ages 4-10.