Presentation
Right knee pain
Patient Data
Age: 45 years
Gender: Female
From the case:
Osteoarthritis
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AP projection reveals severe loss of joint space (medial > lateral) compartments associated with osteophytes and subchondral sclerosis. Mild tibial spiking. Lateral projection shows narrowing of patellofemoral space with patellar osteophytes. Mild joint effusion.
Case Discussion
Currently, the Kellgren-Lawrence (KL) grading scheme is the most- widely used and accepted standard for diagnosis of radiographic OA
- Grade 0: No radiographic features of OA are present
- Grade 1: Doubtful joint space narrowing (JSN) and possible osteophytic lipping.
- Grade 2: The presence of definite osteophytes and possible JSN on anteroposterior weight-bearing radiograph.
- Grade 3: Multiple osteophytes, definite JSN, sclerosis, possible bony deformity
- Grade 4: Large osteophytes, marked JSN, severe sclerosis and definitely bony deformity
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