Central hair loss in African American women: Incidence and potential risk factors

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• 作者：Elise A. Olsen MD^a ; ^{olsen001@mc.duke.edu} ; Valerie Callender MD^b ; Amy McMichael MD^c ; Leonard Sperling MD^d ; Kevin J. Anstrom PhD^a ; Jerry Shapiro MD^e ; Janet Roberts MD^f ; Faith Durden MD^g ; David Whiting MD^h ; Wilma Bergfeld MDⁱ
• 关键词：central centrifugal cicatricial alopecia ; central scalp hair loss ; hair loss in African American women
• 刊名：Journal of the American Academy of Dermatology
• 出版年：2011
• 出版时间：February 2011
• 年：2011
• 卷：64
• 期：2
• 页码：245-252
• 全文大小：293 K

文摘

Background

Although central scalp hair loss is a common problem in African American women, data on etiology or incidence are limited.

Objective

We sought to determine the frequency of various patterns and degree of central scalp hair loss in African American women and to correlate this with information on hair care practices, family history of hair loss, and medical history.

Methods

Five hundred twenty-nine subjects at six different workshops held at four different sites in the central and/or southeast United States participated in this study. The subjects' patterns and degree of central scalp hair loss were independently assessed by both subject and investigator using a standardized photographic scale. Subjects also completed a detailed questionnaire and had standardized photographs taken. Statistical analysis was performed evaluating answers to the questionnaire relative to pattern of central hair loss.

Results

Extensive central scalp hair loss was seen in 5.6 % of subjects. There was no obvious association of extensive hair loss with relaxer or hot comb use, history of seborrheic dermatitis or reaction to a hair care product, bacterial infection, or male pattern hair loss in fathers of subjects; however, there was an association with a history of tinea capitis.

Limitations

There was no scalp biopsy correlation with clinical pattern of hair loss and further information on specifics of hair care practices is needed.

Conclusions

This central scalp photographic scale and questionnaire provide a valid template by which to further explore potential etiologic factors and relationships to central scalp hair loss in African American women.