Letter: Patch Testing in Lichen Planus Pigmentosus and Erythema Dyschromicum Perstans: A Retrospective Case-Control Study

Abstract

Get full access to this article

View all access options for this article.

References

Bishnoi

, Vinay

, Parsad

, et al. Contact sensitization to hair colours in acquired dermal macular hyperpigmentation: Results from a patch and photo-patch test study of 108 patients. J Eur Acad Dermatol Venereol. 2019; 33(7):1349–1357.

Sharma

, Gupta

, Pahadiya

, et al. Dermoscopy and patch testing in patients with lichen planus pigmentosus on face: A cross-sectional observational study in fifty Indian patients. Indian J Dermatol Venereol Leprol. 2017; 83(6):656–662.

Sarkar

, Vinay

, Bishnoi

, et al. A Delphi consensus on the nomenclature and diagnosis of lichen planus pigmentosus and related entities. Indian J Dermatol Venereol Leprol. 2023; 89(1):41–46.

Vinay

, Bishnoi

, Kamat

, et al. Acquired dermal macular hyperpigmentation: An update. Indian Dermatol Online J. 2021; 12(5):663–673.

DeKoven

, Warshaw

, Reeder

, et al. North American contact dermatitis group patch test results: 2019-2020. Dermatitis. 2023; 34(2):90–104.