II. Findings: Degenerative Arthritis (Osteoarthritis)
- Heberden's Nodes involve DIP Joints
- Bouchard's Nodes involve PIP Joints
- First carpal-Metacarpal joint involvement (thumb)
- Secondary degenerative Arthritis
- Hemochromatosis: involves second and third MCP joints
- Superimposed Gouty Arthritis of PIP and DIP joints
III. Findings: Rheumatoid Arthritis
- Symmetrical swelling PIP, MCP and wrist
- DIP joint involvement is rare in Rheumatoid Arthritis
- Extensor tenosynovitis or rupture may occur
IV. Findings: Psoriasis
- Involves any hand joint (especially DIP joints)
- Sausage-like swelling of digits
- Classic psoriatic Plaque and Nail Pitting (60-80%)
V. Findings: Gout
- Tophi may be present
- Monoarticular Arthritis most common
VI. Findings: Pseudogout
- Wrists characteristically involved
- Older patients with acute Wrist Pain and swelling
- Other hand joints rarely involved
VII. Findings: Gonococcal Arthritis
VIII. Findings: Systemic Sclerosis and Scleroderma
IX. Findings: Dupuytren's Contracture (Palmar Fibromatosis)
- Grade 1: Thickened Nodule/band in palmar aponeurosis
- Grade 2: Peritendinous band; limited finger extension
- Grade 3: Flexion contracture of finger