II. Epidemiology
III. Pathophysiology
- Excessive fibroproliferative Collagen response to inflammation within the reticular Dermis
- Results in a scar formed from disorganized extracellular matrix
- More common in Trauma to skin in high tension regions
- Common skin injuries include Burn Injury, Lacerations, piercings, surgery
- Stages
- Stage 1: Inflammation occurs for up to first 10 days (with onset within 1 month of injury)
- Stage 2: Proliferation occurs over next 14 days
- Stage 3: Maturation and remodeling may continue for years
IV. Symptoms
- Lesions may cause local discomfort or Pruritus
V. Signs
- Characteristics
- Slightly raised or flat, pink to red lesions
- Isolated to site of Skin Injury
- Contrast with Keloid which extends beyond the scar
- Distribution
- Can occur anywhere, but have a predilection for extensor surfaces
- Timing
- Onset within 1 month of wound and regress and flatten with time
VI. Labs
- Biopsy Findings (if biopsied for other reasons)
- Fibroblasts increased
- Collagen fiber density increased
VII. Course
- Spontaneous regression over time as dermal irritation resolves
VIII. Management
IX. Prevention
- See Keloid