This is a patient with alopecia areata (AA). AA is an autoimmune condition that leads to hair loss, typically in a round pattern, as shown above. AA is a non-scaring form of alopecia. Thyroid abnormalities, vitiligo, and pernicious anemia often accompany AA. Treatment for alopecia includes immune-modulating agents (e.g., corticosteroids, anthralin, psoralen plus ultraviolet A [PUVA]), contact sensitizers (e.g., dinitrochlorobenzene, squaric acid dibutyl ester, diphenylcyclopropenone), and biologic response modifiers (e.g., minoxidil). The AA spectrum of disorders is secondary to an autoimmune phenomenon involving antibodies, T cells, and cytokines. Men and women are equally affected.
Source: The Color Atlas of Family Medicine, 2e > Chapter 187. Alopecia Areata
This is a patient with alopecia areata (AA). AA is an autoimmune condition that leads to hair loss, typically in a round pattern, as shown above. AA is a non-scaring form of alopecia. Thyroid abnormalities, vitiligo, and pernicious anemia often accompany AA. Treatment for alopecia includes immune-modulating agents (e.g., corticosteroids, anthralin, psoralen plus ultraviolet A [PUVA]), contact sensitizers (e.g., dinitrochlorobenzene, squaric acid dibutyl ester, diphenylcyclopropenone), and biologic response modifiers (e.g., minoxidil). The AA spectrum of disorders is secondary to an autoimmune phenomenon involving antibodies, T cells, and cytokines. Men and women are equally affected.
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