Scar alopecia refers to a group of diseases that cause hair loss propecia com. This diagnosis is about 3% of people suffering from hair loss. Cases of scar alopecia were reported in many countries in healthy men and women of different ages.

There are several forms of alopecia scar. These include, for example, include exfoliating cellulitis, eosinophilic pustular folliculitis, a syndrome of follicular degeneration, folliculitis dekalviruyuschy flat follicular lichen, psevdopelada Brock and others. In addition, scar alopecia may be part of a larger disease, such as chronic lupus erythematosus, which affects many organs of the body.

Despite the variety of forms, scarring alopecia is a common basis - permanent irreversible destruction of hair follicles and their replacement with scar tissue.

Most forms of the disease begins with the appearance of small areas of the scalp, devoid of vegetation, which over time become more extensive. In some cases, hair loss is gradual, with no visible symptoms and long remain unnoticed. In others, on the contrary - it is accompanied by severe itching, burning, soreness and progresses rapidly.

Skin affected by scar alopecia, usually differ from those which are formed by alopecia areata, its rough border. The destruction of hair follicles occurs below the skin surface, however any other symptoms of the disease, except for hair loss, is difficult to notice. The affected areas of the skin can be smooth and clean, or reddish, scaly with enhanced or impaired pigmentation, or be filled with fluid or pus voldyri.Eti visible indicators may help in diagnosis, but can not be decisive.

Very often, if you suspect the presence of scar alopecia to confirm the diagnosis and determine the specific form it makes more skin biopsies. For small element requires biopsy of the affected scalp (2-4 mm in diameter), which is observed under a microscope. A pathologist or dermatologist should detect the destruction of hair follicles, scar tissue deep in the skin, the presence and location of inflammation focus position with respect to the hair follicle.

Often in the early stages of alopecia scar around the hair follicles appear inflammatory cells, which, according to many researchers, the cause of their destruction and the development of scar tissue. However, there are also contrary to the opinion of the arguments based on the fact that at times the tissue sample taken from a biopsy of the affected scar alopecia area, shows a slight inflammation.

After some time, the development of scar alopecia begins to fade, and then completely stopped. Deprived sections of hair will no longer grow; inflammation, itching, burning and pain will pass. On the stage of the disease attenuation biopsy usually shows no inflammation in the affected areas of the scalp. Most often, the bald area does not contain hair follicles, and only a few longitudinal scars, cuts deeply into the skin to indicate the places where they were once. Sometimes, on the outskirts of bald areas there is a small number of dilapidated follicles can recover.