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Pediatr Dermatol. 2019 Dec 7. doi: 10.1111/pde.14070. [Epub ahead of print]

Clinical course of porokeratosis ptychotropica over 7 years in an otherwise healthy child.

Author information

1
Department of Dermatology, University of Cincinnati, Cincinnati, Ohio.
2
Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
3
Dermpath Diagnostics Richfield Laboratory of Dermatopathology, Cincinnati, Ohio.
4
Dermatologists of Southwest Ohio, Cincinnati, Ohio.

Abstract

Porokeratosis ptychotropica is an unusual variant of porokeratosis characterized by papules and plaques located on the buttocks and gluteal cleft and showing multiple coronoid lamellae on histology. In this case report, we present the longitudinal clinical course of porokeratosis ptychotropica in a pediatric patient with individual red-brown hyperkeratotic lesions that enlarged and became confluent prior to surgical intervention. We also discuss the etiology of porokeratosis ptychotropica and review current as well as future treatment options for the disease.

KEYWORDS:

child; coronoid; coronoid lamellae; pediatric; porokeratosis; porokeratosis ptychotropica

PMID:
31811774
DOI:
10.1111/pde.14070

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