Week 10 Lecture 10A - Arthritis & Arthroplasty

Question 1

Kellgren/Lawrence Scale

(0/1) - No radiographic findings of osteoarthritis
(1/2) - Minute osteophytes of doubtful clinical significance
(2/3) - Definite osteophytes with unimpaired joint space
(3/4) - Definite osteophytes with moderate joint space narrowing
(4/5) - Definite osteophytes with severe joint space narrowing and subchondral lesions

Answer 1

0; 1; 2; 3; 4

Question 2

Knee OA - Diagnosis

Knee pain accompanied by at least 3 of the following:
Age greater than _
Stiffness lasting less than _ min
Crepitus
Bony tenderness
Bony enlargement
(No palpable/palpable) warmth

95% sensitivity and 69% specificity

Answer 2

50; 30; no palpable