Abstract
Pityriasis folliculorum colocalized with vitiligo: An example of immunocompromised cutaneous district
Highlights
Pityriasis folliculorum (PF) is characterized by hyperkeratotic follicles filled with Demodex mites, which results tiny facial spicules [1,2]
Standardized skin surface biopsies taken from the areas showing PF revealed ample amount of Demodex mites, either as follicular bunchs of 4-7 mites, or freely floating isolated mites (Figs. 2d and 2e)
© Our Dermatol Online 2.2018 www.odermatol.com skin disorders induced by Demodex spp., including pustular folliculitis, PF, rosacea-like demodicosis, and demodicosis gravis [2]
Summary
Pityriasis folliculorum (PF) is characterized by hyperkeratotic follicles filled with Demodex mites, which results tiny facial spicules [1,2]. Vitiligo is an acquired depigmentation disorder caused by complex influences on melanocytes, including genetics, autoimmunity, cytotoxic and oxidant-antioxidant mechanisms [3]. In this latter area follicular minute spicules were evident, causing a sandpaper feeling on palpation (Fig. 1) Examination under Wood lamp revealed accentuation of whitening over depigmented areas confirming the diagnosis of vitiligo
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