scar

Keloid scar

What is a keloid scar? A keloid scar is a non-cancerous type of change that happens in the skin after an injury. As part of the normal healing response, fibroblasts produce new collagen protein to help rebuild the skin. In some people, fibroblasts make too much collagen. The extra collagen forms a lump that grows …
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Fibrosis

What does fibrosis mean? Fibrosis is used to describe the microscopic appearance of a scar. Fibrosis is made up of a specialized type of tissue called collagen. Collagen is made by cells called fibroblasts. When examined under the microscope, collagen looks pinker than normal tissue. Pathologists sometimes use a special stain called Masson’s trichrome to …
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