PMC10331252_01
(A, B) Dark brown hyperpigmented plaque behind left and right ear. (C) Lesion after wiping with 70% Isopropyl alcohol.
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F1
Dermatological examination revealed dark brown hyperpigmented plaque, extending to the back of both ears were noted (Fig. 1A, B). It was observed that the lesions completely disappeared after this procedure (Fig. 1C), and the patient was diagnosed with TFFD.
PMC10331252_02
(A) Reticular, brownish plaques surrounding the neck with borders. (B) Lesions after wiping with isopropyl alcohol.
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F2
Dermatological examination showed irt-like, partially reticular, brown-black hyperpigmented plaques on the anterior part of the neck (Fig. 2A). With suspicion of TFFD, the lesions disappeared after wiping with 70% isopropyl alcohol and the patient was diagnosed with TFFD (Fig. 2B).
PMC10331252_03
(A) Brown-black hyperpigmented, partially reticular,dirt like plaque with well-defined borders. (B) Lesions disappeared after wiping with 70% isopropyl alcohol.
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F3
A 15-year-old girl presented with a 2-month history of asymptomatic brownish-colored skin eruption on her anterior neck (Fig. 3A). Given the appearance and distribution of skin lesions, TFFD was considered and swab bing with cotton pads soaked in 70% isopropyl alcohol was performed that complete lyre moved the lesions confirming the diagnosis of TFFD (Fig. 3B).