Keloid scar on ear

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Keloid scar on a patient's ear. A keloid scar is a scar that fills with the protein collagen. In a normal scar the collagen breaks down once the wound has healed, but this fails to happen during the formation of a keloid scar. The scar expands from its original boundaries, and continues to grow even after the wound has healed.

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Photo credit: © RICHARD USATINE MD / SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: abnormal, body, clinical, collagen, condition, dermatological, dermatology, disease, disorder, ear, healthcare, human, keloid, medical, medicine, patient, person, scar, scarred, skin, unhealthy