II. Epidemiology
- Rare
III. Pathophysiology
- Delayed Nail Growth
- Results in nails heaping-up and thickening
- May be associated with microvascular permeability
- Lymphedema
- Pleural Effusion
- Hypoalbuminemia
IV. Signs
- Convex (heaped-up) nails with loss of lunula
- Nail with yellow hue
V. Associated Conditions
- Bronchiectasis
- Rheumatoid Arthritis
- Immunodeficiency (e.g. AIDS)
- Chronic Sinusitis
- Thiol Medications (e.g. gold Sodium thiomalate)