The pivotal clinical picture of alopecia areata is completely denuded areas of the scalp in places, the skin area remains normal.
The hair around the dilution spots are small diameter near the root increases as we move toward the tip of the stem and remind exclamation (Exclamation point hairs). In alopecia areata, the hair loss can be sudden or gradually carried out at irregular intervals. As a disease, it can affect men and women equally.
Chances display one alopecia areata is about 1%. A percentage close to 25% of cases of alopecia areata due to hereditary influence and can affect even children. Further, an amount ranging about 20% of cases of alopecia areata, reappears disease or acquires permanent alopecia.
The factors that determine the onset and progression of the disease are:
The clinical picture is that:
“Ofiasi” where the hair slough off peripherally, namely the cervical, occipital and temporal regions
Total Alopecia Areata (Alopecia Totalis), loss of all scalp hair, eyebrows and eyelashes
Catholic (Alopecia Universalis), which affects all the body hair
Diffuse Alopecia Areata
Responses to alopecia areata
Steroids in topical form: cream, ointment, lotions). Apply to the affected areas usually twice daily for a period of time
Steroid Injections: Apply to the head and eyebrows if they are infected and have better results when the affected area is small.
Taking steroids by mouth: High doses of steroids by mouth is likely to lead to grow hair but when treatment stops hair usually lost. Also chronic taking steroids can cause severe side effects such as hypertension, diabetes, ulcers, cataracts, osteoporosis and weight gain.
Dithranol: The cream is usually used to treat psoriasis causes skin irritation and is likely in some cases cause the grow of hair. Is a safe treatment but colors the skin and hair with a purple-brown color that is particularly evident in blond individuals.
Sensitization by contact this treatment comprises applying the patient difensypronis to become allergic to it and then the application of very low concentrations of this substance usually once a week to maintain a mild inflammation.
Treatment with ultraviolet light: This treatment involves taking a pill or applying a cream and then exposing the affected areas to UV light 2-3 times a week for several months.
Lothian minoxidinis: Can help but seldom leads to effective epanakfysi hair.