Marginal traction alopecia severity score: development and test of reliability.

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Marginal traction alopecia severity score: development and test of reliability. Abstract Text:

N P Khumalo,R M Ngwanya,S Jessop,F Gumedze,R Ehrlich,N P Khumalo,R M Ngwanya,S Jessop,F Gumedze,R Ehrlich,

Background Traction alopecia (TA) is common in African females. Although hairstyles are thought to be causal, the contribution of individual hairstyling variables to TA severity has not been quantified. The aim of the current study was to develop a severity scoring system (M-TAS score) for marginal TA, the commonest form of this disorder, and to test its reliability. Method The margins of the scalp were divided into anterior and posterior with an imaginary line joining the tips of both ears. The anterior and posterior hairlines were further divided into three using the temporalis muscles and mastoid processes at the hairline as landmarks, respectively. Each examiner assessed each of the six areas. If any were found to have TA, the severity was scored using an examiner assessed system (tested once) or a picture matched score (tested twice). Ten and eight female patients with TA of varying severity were assessed by 11 and 9 examiners (dermatologists, dermatology trainees, and nurses), respectively. Results The intraclass correlation coefficient (ICC) for interobserver agreement was larger with photograph-matched scores than with examiner estimated scores reaching substantial (0.61-0.80) and excellent (0.81-100) agreement for both anterior and posterior scores irrespective of level of skill of examiner. The ICC for intraobserver agreement with the photograph matched scores was 0.99. Limitations The diagnosis of normal margin was excellent for the anterior yet poor for the posterior margin with photograph scores. The M-TAS score is not for diagnosis but to assess severity. Conclusion The photograph-based M-TAS score requires validation with larger samples but could be a useful research tool for elucidating disease prevalence and determinants of TA as well for monitoring response to treatment.

Marginal traction alopecia severity score: development and test of reliability. Publishing Authors By Initials

NP Khumalo,RM Ngwanya,S Jessop,F Gumedze,R Ehrlich,NP Khumalo,RM Ngwanya,S Jessop,F Gumedze,R Ehrlich,

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Marginal traction alopecia severity score: development and test of reliability. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of cosmetic dermatology

VOLUME: 6

Page Numbers: 262-9

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ISSN: 1473-2165

DAY: 30

MONTH: Dec

YEAR: 2007

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LANGUAGE: eng

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Grant and Affiliation Information for Marginal traction alopecia severity score: development and test of reliability.

AFFILIATION: Division of Dermatology, Groote Schuur Hospital and the University of Cape Town, South Africa.

Country: England

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MEDLINETA: J Cosmet Dermatol

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