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An abnormal density of Demodex mites can trigger many skin disorders known as demodicosis. Clinical manifestations of demodicosis may resemble other skin diseases and can coexist with other skin disorders, resulting in underdiagnosis and a more challenging diagnosis. Here, we report three cases of demodicosis in acne vulgaris patients. These case series have discussed their clinical features along with optimal strategies for diagnosis and treatment.
Multiple whiteheads, blackheads, erythematous papules, and pustules, mainly on the right cheek, chin,…
Figure 1
Multiple whiteheads, blackheads, erythematous papules, and pustules, mainly on the right cheek, chin, and mandibular area, with some areas of redness, dryness, and roughness. (Case 1).
Figure 2
Standard skin surface biopsy revealed…
Figure 2
Standard skin surface biopsy revealed multiple Demodex mites on the right cheek, and…
Figure 2
Standard skin surface biopsy revealed multiple Demodex mites on the right cheek, and superficial needle-scrapings confirmed their presence in the pustule. (Case 1).
Figure 3
Red, dry patches with scaly…
Figure 3
Red, dry patches with scaly follicles on both cheeks accompanied by multiple whiteheads,…
Figure 3
Red, dry patches with scaly follicles on both cheeks accompanied by multiple whiteheads, blackheads, and inflamed papules on the chin area. (Case 2).
Paichitrojjana A. Demodex: the worst enemies are the ones that used to be friends. Dermatol Rep. 2022;14(3):9339. doi:10.4081/dr.2022.9339
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Aktaş Karabay E, Aksu Çerman A. Demodex folliculorum infestations in common facial dermatoses: acne vulgaris, rosacea, seborrheic dermatitis. An Bras Dermatol. 2020;95(2):187–193. doi:10.1016/j.abd.2019.08.023
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Karincaoglu Y, Bayram N, Aycan O, et al. The clinical importance of demodex folliculorum presenting with nonspecific facial signs and symptoms. J Dermatol. 2004;31(8):618–626. doi:10.1111/j.1346-8138.2004.tb00567.x
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Forton F, De Maertelaer V. Rosacea-like demodicosis and papulopustular rosacea may be two phenotypes of the same disease, and pityriasis folliculorum may be their precursor: response to the comment of Tatu. J Eur Acad Dermatol Venereol. 2019;33(1):e47–e48. doi:10.1111/jdv.15162
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Helou W, Avitan-Hersh E, Bergman R. Demodex folliculitis of the scalp: clinicopathological study of an uncommon entity. Am J Dermatopathol. 2016;38(9):658–663. doi:10.1097/DAD.0000000000000512
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