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Hair Shaft Abnormality in Children: a Narrative Review

عنوان مقاله: Hair Shaft Abnormality in Children: a Narrative Review
شناسه (COI) مقاله: JR_INJPM-5-8_004
منتشر شده در شماره 8 دوره 5 فصل در سال 1396
مشخصات نویسندگان مقاله:

Ghasem Rahmatpour Rokni - Assistant Professor, Dermatology Department of Mazandaran University of Medical Sciences, Sari, IR Iran.
Abolghasem Laali - Emergency Medicine, Mazandaran University of Medical Sciences, Sari, IR Iran.

خلاصه مقاله:
Background Hair is an ectodermal structure, and its formation is regulated by master genes important in embryology. Hair shaft consists of three major regions: the medulla, cortex and cuticle. Hair shaft abnormality will divide structural hair abnormalities into two broad categories - those associated with increased hair fragility and those not associated with increased hair fragility. We conducted a review study to assess hair shaft abnormality in children. Materials and Methods We conducted a review of all papers published on hair shaft abnormalities. A literature search was performed using PubMed, Scopus and Google Scholar on papers publish from 1990 to 2016. The search terms were: hair shaft abnormality, Hair loss, Hair fragility. All abstracts and full text English-language articles were studied. Results While common developmental and structural features are shared in hair follicles and hair shafts. Anomalies of the hair shaft are separated into those with and those without increased hair fragility. Conclusion Although hair has no vital function, it may serve as an indicator for human health. Clinical and morphological hair abnormalities can be clues to specific complex disorders. Hair shaft abnormalities can be inherited or acquired, can reflect a local problem or a systemic disease.

کلمات کلیدی:
Abnormality, Hair loss, Hair fragility, Hair shaft

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