Diagnosis
Signs of Osteoarthritis
- Muscle wasting
- Evidence of active arthritis - swelling, erythema, tenderness
- Reduced joint range of motion
- Heberden's nodes: firm swelling over the distal interphalangeal joints
- Bouchard's nodes: firm swelling over the proximal interphalangeal joints
- Varus knee deformity
X-Ray Findings in Osteoarthritis
- Reduced joint space - generally asymmetric
- Subchondral sclerosis - increased bone deposition surrounding the joint
- Subchondral cysts: cystic formations around the joint
- Osteophytes: bony projections along the joint line
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