Hypertrophic Scars

What are Hypertrophic Scars?

Hypertrophic scars are thick, raised scars that form at the site of an injury or surgical incision. Unlike keloids, hypertrophic scars remain within the boundaries of the original wound and may regress over time.

Causes

• Trauma or injury → cuts, burns, abrasions.
• Surgery → particularly in areas of tension or repeated movement.
• Infections → delayed healing increases risk.
• Genetic predisposition → some individuals are prone to excessive scar formation.
• Excessive tension on healing skin → stretching wounds during healing.

Symptoms / Appearance

• Raised, thickened skin at the wound site.
• Red, firm, and sometimes itchy.
• May limit movement if over a joint.
• Typically confined to the original wound area.
• Can cause discomfort or cosmetic concerns.

Treatments

Non-Surgical Treatments

• Silicone gel sheets or silicone cream → flatten and soften scars.
• Corticosteroid injections → reduce inflammation and thickness.
• Laser therapy → improves texture, redness, and scar appearance.
• Cryotherapy → freezing treatment for small, raised scars.

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Surgical Treatments

• Scar revision surgery → removes scar tissue and re-closes the wound carefully.

Supportive Measures

• Keep scars moisturised and protected from the sun.
• Avoid trauma to the scar during its healing process.

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Prevention

• Proper wound care and hygiene.
• Minimise tension on healing skin → use proper suturing techniques if surgical.
• Early silicone therapy or pressure therapy for high-risk areas.
• Avoid picking or scratching wounds.
• Monitor wounds for signs of infection.

FAQs

Q1. Are hypertrophic scars dangerous?
Usually no, but they can cause discomfort, limited movement, or cosmetic concerns.

Q2. Can hypertrophic scars go away?
They may gradually flatten over months to years, especially with proper treatment.

Q3. How are they different from keloids?
Hypertrophic scars stay within the wound boundaries, while keloids extend beyond the original wound.

Q4. Can treatment remove scars completely?
Treatments improve appearance, texture, and comfort, but complete removal is rare.

Q5. Who is at risk of hypertrophic scars?
People with genetic predisposition, burns, surgical wounds under tension, or delayed healing are at higher risk.