Hair Shaft Abnormalities as a Dermoscopic Feature of Mycosis Fungoides: Pilot Results

Autor: Magdalena Jasińska, Joanna Czuwara, Nino Lortkipanidze, Agnieszka Michalczyk, Barbara Borkowska, Patrycja Gajda-Mróz, Marta Kurzeja, Małgorzata Olszewska, Lidia Rudnicka, Adriana Rakowska
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Dermatology and Therapy, Vol 14, Iss 8, Pp 2119-2126 (2024)
Druh dokumentu: article
ISSN: 2193-8210
2190-9172
DOI: 10.1007/s13555-024-01206-z
Popis: Abstract Introduction Diagnosis of persistent erythematous, scaly patches, or plaques can be complex since psoriasis (Ps), eczematous dermatitis (ED), and mycosis fungoides (MF) can be considered. Dermoscopy, which is a noninvasive diagnostic tool, is commonly used to examine blood vessels, scales, and background color; however, research on hair shaft evaluation in inflammatory dermatoses remains scarce. The aim of the study was dermoscopic evaluation of hair shafts in skin lesions localized on the non-scalp skin areas in patients diagnosed with MF, Ps, and ED. Methods This was a retrospective evaluation of 55 patients diagnosed with MF, Ps, and ED. Photographic and dermoscopic documentation of these patients and detailed medical history were evaluated. Results A total of 21 patients with MF, 21 patients with Ps, and 13 patients with ED were evaluated. The examination revealed the presence of various abnormalities of hair shafts (e.g., numerous pili torti, single pili torti, 8-shaped hairs, pigtail hairs, broken hairs, hair shafts rapidly tapered over long sections, hair shafts irregular in thickness, angulated hairs, branched hairs, the presence of trichorrhexis nodosa, and monilethrix-like hairs), yellow dots, and black dots. The presence of pili torti was found in 80% of patients with MF, compared with 16% of patients with Ps and 8% of patients with ED (p
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