Scarring Alopecia are Associated with Fibrosis or Scarring.
Scarring alopecias are associated with the development of scar tissue or “fibrosis” in and/or around hair follicles of the body. These could be scalp hairs, eyebrow hairs or body hairs.
In the early stages of scarring alopecia, this fibrosis is deep under the skin and cannot be seen with the eye when looking at the surface of the skin. It can, however, be seen with a biopsy, if one decides to perform a scalp biopsy.
Minor amounts of fibrosis may or may not cause much in the way of hair loss.
In the later stages of scarring alopecia, increasing amounts of fibrosis cause hairs to be lost and cause the follicle openings or “pores” to no longer be easily seen. This leads to the appearance of scarring. Fibrosis contributes the the destruction of hair follicle stem cells which makes it progressively more difficult to regrow hair. It is the progressive loss of hair follicle stem cells that makes hair loss in scarring alopecia often (but not always) permanent. #nsaam #hair#scarringalopecia #cicatricialalopecia
Dr. Jeff Donovan is a Canadian and US board certified dermatologist specializing exclusively in hair loss.
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