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abstractpubmed· Abstract 2015· item PMID:25935816

Trichoscopic Hair Evaluation in Patients with Ectodermal Dysplasia. Hair abnormalities in ectodermal dysplasia may be difficult to identify. Among 16 patients with ectodermal dysplasia trichoscopy (hair dermoscopy) revealed predominance of pilosebaceous units with 1 hair (69%), abnormalities of hair shaft pigmentation (gray hair with single dark hairs, 56%), pili torti, trichothiodystrophy, trichorrhexis nodosa, and rarely, cicatricial alopecia.