Abstract
Alopecia areata is a chronic inflammatory disease that results in a non-scarring hair loss. It occurs as an acute and complete loss of hair in a single or several areas, classically with morphology of circles and in the course of a few weeks. It can affect areas of the scalp, beard, eyebrows, eyelashes or be generalized being called alopecia universalis. The incidence appears to be similar in different countries.
Highlights
Alopecia areata is a chronic inflammatory disease that results in a non-scarring hair loss
We present five patients with diagnosis of patchy alopecia areata localized in the scalp, one with a plaque in the eyebrow and other in the beard
No recurrence of the same plaques was observed in a follow up of 2 to 4 years but new plaques were developed in the patient with alopecia areata of 19 years of evolution
Summary
Alopecia areata is a chronic inflammatory disease that results in a non-scarring hair loss. It occurs as an acute and complete loss of hair in a single or several areas, classically with morphology of circles and in the course of a few weeks. It can affect areas of the scalp, beard, eyebrows, eyelashes or be generalized being called alopecia universalis. Other patients will progress to total loss of hair and have a poor prognosis, being the alopecia permanent [4]. In the last years it has been treated with lights and some types of laser [5,6]
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