Osteoarthritis
Background
Clinical Features
- Risk Factors:
- Age
- Female versus male sex
- Obesity
- Lack of osteoporosis
- Occupation
- Previous injury
- Muscle weakness
- Genetic elements
- Commonly affected joints
- Cervical and lumbar spine
- First carpometacarpal joint
- Proximal interphalangeal joint
- Distal interphalangeal joint
- Hip
- Knee
- Subtalar joint
- First metatarsophalangeal joint
- Uncommonly affected joints
- Shoulder
- Wrist
- Elbow
- Metacarpophalangeal joint
Differential Diagnosis
- Calcium pyrophosphate crystal deposition disease
- Infectious monoarticular disease
Polyarthritis
- Fibromyalgia
- Juvenile idiopathic arthritis
- Lyme disease
- Osteoarthritis
- Psoriatic arthritis
- Reactive poststreptococcal arthritis
- Rheumatoid arthritis
- Rheumatic fever
- Serum sickness
- Systemic lupus erythematosus
- Serum sickness–like reactions
- Viral arthritis
Diagnosis
- Greater than 50 years of age
- Morning stiffness for less than 30 minutes
- Crepitus on active motion of the knee
- Bony tenderness
- Bony enlargement
- No palpable warmth
Management
Disposition
See Also
External Links
References
Uptodate