In this case study, a 15-year-old obese boy was diagnosed with acanthosis nigricans and hair casts in the axillae, with Wood's lamp and dermoscopic examination revealing specific features, yet fungal infection was ruled out through a negative KOH test.
January 2021 in “Nasza Dermatologia Online” This case report describes a 50-year-old Kashmiri woman with plica polonica, detailing trichoscopic findings of entangled hair with crisscrossing shafts and concretions.
12 citations
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June 2011 in “Journal of Dermatological Case Reports” This case report describes successful treatment of trichomycosis axillaris, a bacterial infection of hair shafts, using shaving and topical antibiotics, resulting in complete odor elimination within weeks.
July 2023 in “Veterinary pathology” In this report, the researchers described a follicular dysplastic syndrome in two adult white-tailed deer, where gross alopecia and histologic signs suggestive of alopecia areata were observed, potentially predisposing affected deer to environmental exposure.
27 citations
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October 2003 in “Journal of the American Academy of Dermatology” This case report describes white piedra infection of the scalp hair with a synergistic bacterial infection in two US native sisters, highlighting its relevance in diagnosing scalp hair concretions despite its rarity in North America.