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Frontal fibrosing alopecia - Hair and Scalp
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Frontal fibrosing alopecia - Hair and Scalp

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Contributors: Vivian Wong MD, PhD, Susan Burgin MD, Mary Gail Mercurio MD
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Synopsis

Frontal fibrosing alopecia (FFA) is a form of scarring alopecia that presents as a symmetric band-like zone of incomplete hair loss along the anterior hairline that progressively spreads posteriorly. The eyebrows are often thinned or absent. This is considered a variant of lichen planopilaris in a patterned distribution. Women aged between 55 and 65 are most commonly affected, but younger women and men may be affected as well. A positive family history may be reported in 8% of cases.

There may be facial skin involvement (eg, perifollicular erythema or papules surrounding vellus hairs) in some cases, which may precede alopecia. Mucocutaneous lichen planus may occur in up to 15% of cases.

Codes

ICD10CM:
L66.8 – Other cicatricial alopecia

SNOMEDCT:
717055000 – Frontal fibrosing alopecia

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Last Reviewed: 12/27/2016
Last Updated: 12/27/2016
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Frontal fibrosing alopecia - Hair and Scalp
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Frontal fibrosing alopecia : Frontal scalp, Focal scarring alopecia, Pruritus
Clinical image of Frontal fibrosing alopecia
A band of scarring alopecia at the anterior scalp line with few remaining hairs in scarred areas (the "lonely hair" sign). There is significant perifollicular scale and some erythema on the scalp posterior to this band.
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