International Journal of Trichology International Journal of Trichology
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Year : 2021  |  Volume : 13  |  Issue : 6  |  Page : 34-35

Trichoscopic findings in pressure alopecia: Report of two cases and review of the literature

1 Department of Dermatology, University Hospital La Zarzuela, Madrid, Spain
2 Department of Dermatology, University Hospital Virgen de las Nieves; School of Medicine, Institute of Biosanitary Investigation Ibs, Granada University, Granada, Spain
3 Department of Dermatology, University Hospital San Cecilio, Granada, Spain

Correspondence Address:
María Librada Porrino-Bustamante
University Hospital La Zarzuela, Calle de Pleyades, 25, 28023 Madrid
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijt.ijt_117_20

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Pressure alopecia (PA) is an uncommon type of hair loss due to ischemic changes of the scalp, as a result of prolonged immobilization. Clinically, it often appears within the 1st month of the trigger and tends to resolve spontaneously within 4 months. If the duration of the immobilization is longer, irreversible alopecia can be developed. Trichoscopy is usually nonspecific, being black dots, broken, and dystrophic hairs the most frequent findings. However, yellow dots and thin hairs have also been reported. We herein present two patients with PA, one with a recent development and another one with a long-lasting alopecia. Both of them showed keratotic follicular plugs and thin hairs as the main trichoscopic findings.

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