Keloid

(Keloid Scar; Dermal Fibrotic Lesion)

Definition

A keloid is an extra growth of scar tissue over a skin wound. It grows beyond the margins of the skin wound. A keloid can vary in size from one to several inches. They are not harmful to general health.Keloids can occur anywhere but they are more common on:
  • Earlobes
  • Shoulders
  • Upper back
  • Chest
  • Back of scalp and neck

Causes

Scar tissue is a part of the normal healing process. With keloids, the scar tissue grows in an uncontrolled manner. The scar continues to grow even after the wound has been covered. The growth can continue for weeks or months.

Risk Factors

Keloids are more common in people with African American, Asian, or Hispanic ethnicity. They are also more likely to occur between 10-30 years old.Factors that may increase your chance of keloids include:
  • Deep skin wounds, such as those from infections, burns or surgical scars
  • Scars from acne , vaccinations, or chickenpox
  • Family history
Normal Surgical Scar
Post-operative scar
Ideally the scar tissue would stop developing at this point.
Copyright © Nucleus Medical Media, Inc.

Symptoms

Keloids often begin as small lumps at the site of a skin injury. They gradually grow beyond the edges of the wound.For most, the scar is the only symptom. Some may have other symptoms such as:
  • Pain
  • Burning
  • Itchiness
  • Tenderness

Diagnosis

Your doctor will ask about your symptoms and medical history. A physical exam will be done. Diagnosis is often based on exam and history but you may also be referred to a skin specialist to confirm diagnosis.Your doctor may order a biopsy to rule out other skin conditions or tumors.

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