HOSA Dental Terminology Practice

What characterizes a keloid?

1. Inflammation of the skin

2. Hypertrophy of scar tissue

3. Reduction of skin elasticity

4. Normal healing response

The correct answer is: Hypertrophy of scar tissue

A keloid is characterized by hypertrophy of scar tissue, which means it involves an overproduction of collagen during the healing process. When the skin is damaged, the body typically produces collagen to repair the injury. However, in the case of keloids, the collagen production becomes excessive, leading to raised, thickened areas of fibrous tissue that extend beyond the original wound site. This elevated scar can be itchy, painful, or disfiguring and is often more prominent than normal scars. This condition usually occurs in predisposed individuals and can affect anyone, but it is particularly common among individuals with darker skin tones. While inflammation of the skin may be present in the initial stages of healing, it is not the defining feature of a keloid. Similarly, reduction of skin elasticity and a normal healing response characterize different reactions to skin injuries, not specifically keloids.