Dermatoscopic findings of syphilitic alopecia<sup>,</sup>

Bomfim, Izabella Cristina Cardozo; Ianhez, Mayra; Miot, Hélio Amante

doi:10.1016/j.abd.2020.01.007

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Images in Dermatology • An. Bras. Dermatol. 95 (4) • Jul-Aug 2020 • https://doi.org/10.1016/j.abd.2020.01.007 copy

Dermatoscopic findings of syphilitic alopecia^☆ ☆ How to cite this article: Bomfim ICC, Ianhez M, Miot HA. Dermatoscopic findings of syphilitic alopecia. An Bras Dermatol. 2020;95:518-20. ^,^☆☆ ☆☆ Study conducted at the Hospital de Doenças Tropicais Dr. Anuar Auad, Goiânia, GO, Brazil.

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Abstract

Syphilis is an infectious disease that has afflicted mankind for centuries, but a recent increase in worldwide incidence has been evidenced. The authors describe a patient with typical lesions of secondary syphilis and moth-eaten alopecia, whose dermoscopic examination demonstrated empty hair follicles, vellus hair, follicular hyperkeratosis, peripheral black dots, dilated and tortuous vessels, reddish brown background, and hypopigmentation of the hair shafts. Furthermore, this case presented an erythematous background more evident than previously described cases.

KEYWORDS
Alopecia; Dermoscopy; Syphilis

Author (year)	Number of patients	Dermoscopic findings
Tognetti et al. (2017)	1	Empty ostia and yellow dots are visible in the center of the alopecic patches over an erythematous background. Tapered bent hairs are present at the periphery of the alopecic patches. Vellus hairs are visible at the periphery. Scales appear to be thin and whitish; perifollicular hyperkeratosis is focally visible.
Doche et al. (2017)	3	Reduction of the number of hairs, yellow dots, broken and zigzag hair.
Piraccini et al. (2015)	4	Reduction in the number of terminal hairs and the presence of empty hair follicles, vellus hairs, red-brown background, and irregularly dilated capillaries with slight blood extravasation in four patients.
Ye et al. (2014)	1	Black dots, focal atrichia, hypopigmentation of hair shafts and yellow dots, and the scalp showed no obvious signs of inflammation or desquamation.
Review of all reported results	9	Yellow dots and black dots.
		Vellus hairs; curved, tapered, broken, or zigzag hairs.
		Hypopigmentation of the hair shaft.
		Empty hair follicles, reduction of terminal hairs.
		Dilated and tortuous vessels, slight extravasation of blood.
		Erythematous or erythematous-brownish background
		Perifollicular hyperkeratosis

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[1] * Corresponding author. E-mail:izabellabomfim@hotmail.com (I.C. Bomfim).

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Dermatoscopic findings of syphilitic alopecia☆ ☆ How to cite this article: Bomfim ICC, Ianhez M, Miot HA. Dermatoscopic findings of syphilitic alopecia. An Bras Dermatol. 2020;95:518-20. ,☆☆ ☆☆ Study conducted at the Hospital de Doenças Tropicais Dr. Anuar Auad, Goiânia, GO, Brazil.

Abstract