Alopecia areata

Alopecia Areata

Alopecia areata is an autoimmune disease that affects the hair follicles of the scalp due to autoimmune T cells. Alopecia areata can have numerous different forms:

Alopecia Areata: patchy hair loss

Patchy hair loss in alopeica areata.

Alopecia totalis: total loss of scalp hair

Picture showing almost total loss of scalp hair.

Alopecia universalis: total scalp and body hair loss

Alopecia areata is known to be a polygene, complex disorder, which is believed to be mainly triggered from an environmental factor, such as a virus in an immunocompromised (due to disease or stress), because identical twins do not always acquire alopecia areata.