Psoriasiform skin reaction due to Brazilian keratin treatment: A clinical-dermatoscopic study of 43 patients

Sánchez-Dueñas, Luis Enrique; Ruiz-Dueñas, Angelica; Guevara‐Gutiérrez, Elizabeth; Tlacuilo‐Parra, Alberto

doi:10.4103/ijt.ijt_62_21

Cited by 1 publication

(2 citation statements)

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“…The presence of perifollicular scale resembling the outer skin of an onion bulb was described as a characteristic trichoscopic feature in these cases [4]. In 2022, Sánchez-Dueñas et al [5] described 43 cases of eczema-like psoriasiform dermatitis, describing trichoscopic findings similar to inflammatory conditions such as psoriasis and seborrheic dermatitis, in addition to the characteristic peripilar scaling pattern described by Gavazzoni-Dias. The onset of these changes was reported to be chronic, in contrast to the acute presentation previously reported [5].…”

Section: Introductionmentioning

confidence: 99%

“…In 2022, Sánchez-Dueñas et al [5] described 43 cases of eczema-like psoriasiform dermatitis, describing trichoscopic findings similar to inflammatory conditions such as psoriasis and seborrheic dermatitis, in addition to the characteristic peripilar scaling pattern described by Gavazzoni-Dias. The onset of these changes was reported to be chronic, in contrast to the acute presentation previously reported [5]. In Denmark, the prevalence of formaldehyde allergic contact dermatitis was 2.4% [6].…”

Section: Introductionmentioning

confidence: 99%

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Eczema-Like Psoriasiform Dermatitis due to Hair Straighteners: Trichoscopic Findings and Clinical Experience in Its Management

Armendariz-Barragan,

Jimenez-Zaragoza,

Sánchez-Dueñas

2023

Skin Appendage Disord

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Introduction: Eczema-like psoriasiform dermatitis has been described as a complication after Brazilian keratin treatment, with the presence of perifollicular scale resembling the outer skin of an onion bulb reported as a characteristic trichoscopic feature. To date, no treatment for this condition has been communicated. Methods: A retrospective study was conducted on patients diagnosed with eczema-like psoriasiform dermatitis. Clinical and trichoscopic images were analyzed, and the improvement in the scale and the vascular component of patients treated with oral isotretinoin was described. Results: A total of 132 patients were included. The most frequent trichoscopic findings were perifollicular scale, peripilar desquamation, and interfollicular scale. Most of the 7 patients treated with oral isotretinoin showed a partial improvement in the scale and the vascular component. Conclusion: The peripilar scale resembling the outer skin of an onion bulb could be used as a marker for this disease. We observed partial response to oral isotretinoin, probably due to the chronic character of this condition secondary to continuous release of formaldehyde, suboptimal doses, or a short treatment time.

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Section: Introductionmentioning

confidence: 99%