II. Epidemiology
- Hand less commonly affected in Osteoarthritis
- Hand most disabling of joints to be involved
III. Signs
- Most common site
- Trapeziometacarpal joint (base of thumb)
- Heberden's Nodes
- Distal interphalangeal joint (ITP) nodular swelling
- Bouchard's Nodes
- Proximal interphalangeal joint (PIP) nodular swelling
- Mucous cysts may develop at interphalangeal joints
-
First Metacarpal-phalangeal joint (MCP) involvement
- Other MCP joints are generally spared
-
Wrist spared
- Contrast with Rheumatoid Arthritis
IV. Diagnostic Criteria (American College Rheumatology)
- Hand pain, aching or stiffness and
- Two DIP or PIP joints with hard tissue enlargement and
- Less than 3 swollen MCP joints
- One of the following
- Two DIP joints with hard tissue enlargement or
- Deformity of two DIP, PIP, or MCP joints
- Altman (1990) Arthritis Rheum 33:1601-10 [PubMed]
V. Radiology
VI. Management
- See Osteoarthritis
- NSAIDs
- Intermittent Splinting
- Moist heat
- Local Corticosteroid Injection
- Contrast Baths
- Surgery for resistant cases
- Arthroplasty
- Arthrodesis