Diffuse Hypopigmented Keratoses: An Under-Reported and Often Misdiagnosed Entity.

Indian Dermatol Online J

Department of Dermatology Venereology and Leprosy, Sree Balaji Medical College and Hospital, Chrompet, Chennai, Tamil Nadu, India.

Published: December 2022

AI Article Synopsis

  • Diffuse hypopigmented keratotic lesions are associated with various skin conditions such as pityriasis versicolor, stucco keratoses, and Darier's disease, each with unique clinical and histological features.
  • A new type of lesion called disseminated hypopigmented keratoses (DHK) is considered when diagnosing these conditions.
  • Bedside tests like potassium hydroxide wet mount and dermatoscopy are crucial for accurately diagnosing these lesions, which are typically benign and not related to any systemic issues.

Article Abstract

The appearance of widely diffuse hypopigmented keratotic lesions has been linked to a number of dermatological conditions like pityriasis versicolor, stucco keratoses, confetti leukoderma, and guttate leukoderma of Darier's disease. Specific clinical and histologic characteristics distinguish them from one another. One of the differentials for diffuse hypopigmented keratotic lesions has been a novel entity called disseminated hypopigmented keratoses (DHK). We are hereby highlighting the importance of bedside investigations like potassium hydroxide wet mount and dermatoscopy in ruling out such misleading dermatological conditions. It looks to be benign and slowly progressing, albeit not linked to any systemic symptoms. We hereby present a case of diffuse hypopigmented keratoses with no proven underlying cause.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9910530PMC
http://dx.doi.org/10.4103/idoj.idoj_320_22DOI Listing

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