(Keloid Scar; Dermal Fibrotic Lesion)
DefinitionA 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:
- Upper back
- Back of scalp and neck
CausesScar 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 FactorsKeloids 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|
|Ideally the scar tissue would stop developing at this point.|
|Copyright © Nucleus Medical Media, Inc.|
SymptomsKeloids 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:
DiagnosisYour 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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