13 citations
,
January 2012 in “International journal of trichology” This case study describes a 14-year-old girl with pili annulati who had fragile hair, which may be due to cavities within the hair shafts as seen in electron microscopic examinations.
59 citations
,
June 2008 in “Journal of The American Academy of Dermatology” This article reviews major types of genetic hair shaft defects and associated syndromes, emphasizing understanding histologic features and diagnostic methods, but reports no new clinical findings.
126 citations
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January 1987 in “Journal of The American Academy of Dermatology” This article reviews the classification of hair shaft abnormalities, outlining their diagnostic features, but does not present new research findings.
3 citations
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January 2016 in “Journal of cosmetology & trichology” This report suggests that correcting nutritional deficiencies may improve hair quality in patients with Monilethrix and similar hair shaft disorders, though it is not a cure.
9 citations
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January 2001 in “Dermatology” This study reports two cases where pili anulati, typically a non-fragile hair condition, showed increased fragility due to androgenetic alopecia, causing hair shaft fracturing in the affected area.