Pityriasis lichenoides: assessment of 41 pediatric patients.

Autor:	Fatturi AL; Pediatric Dermatology Division, Department of Pediatrics, Federal University of Paraná, UFPR, Curitiba, Brazil. Electronic address: aluhinefatturi@gmail.com., Morgan MAP; Pediatric Dermatology Division, Department of Pediatrics, Federal University of Paraná, UFPR, Curitiba, Brazil., Markus JR; Pediatric Dermatology Division, Department of Pediatrics, Federal University of Paraná, UFPR, Curitiba, Brazil., Noguera-Morel L; Department of Dermatology, Hospital Infantil Universitario Niño Jesus, Madrid, Spain., Carvalho VO; Pediatric Dermatology Division, Department of Pediatrics, Federal University of Paraná, UFPR, Curitiba, Brazil.
Jazyk:	angličtina
Zdroj:	Jornal de pediatria [J Pediatr (Rio J)] 2024 Sep-Oct; Vol. 100 (5), pp. 527-532. Date of Electronic Publication: 2024 Apr 24.
DOI:	10.1016/j.jped.2024.03.011
Abstrakt:	Objectives: This study aims to evaluate the characteristics and treatment response of patients with pityriasis lichenoides seen in the last 43 years in a pediatric dermatology service. Methods: This was a retrospective, analytical, longitudinal study of patients under 15 years of age. The medical records were reviewed and data were presented as frequencies, means and variances. Student's t-test, Mann-Whitney test, Fisher's exact test, Pearson/Yates chi-square test and multivariate logistic regression model were used, with p < 0.05 considered. Results: 41 patients were included, 32 (78.0%) with pityriasis lichenoides chronica (PLC), five (12.2%) with pityriasis lichenoides et varioliformis acuta (PLEVA) and four (9.8%) with clinical PLC without biopsy. The age range of school children and adolescents was 19 (46.3%) and 13 (31.7%) respectively and 27 (65.8%) were male. Two peaks of the highest frequency were observed between 2004 and 2006 (10 patients - 24.4%) and another between 2019 and 2021 (6 patients - 14.7%). There was remission in 71.9% (n = 23), with 56.6% (n = 17) of those who used antibiotic therapy and 80% (n = 4) of those who had phototherapy. The chance of remission was 13 times greater in patients with disease onset after 5 years of age. Conclusions: The clinical form most commonly found was PLC mainly in school children and adolescents. The frequency peaks coincided with infectious outbreaks. The remission rate was satisfactory with antibiotic therapy, but higher with phototherapy. Remission was greater in patients with disease onset after 5 years of age. Competing Interests: Conflicts of interest Aluhine Lopes Fatturi, Mariana Aparecida Pasa Morgan, Lucero Noguera Morel and Jandrei Rogerio Markus has nothing to declare. Vânia Oliveira de Carvalho has been an investigator of Sanofi Genzyme and speaker for Expanscience, Johnson & Johnson Consumer Health, Galderma, Mantecorp, Megalabs and Royal Canin. (Copyright © 2024 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
Databáze:	MEDLINE
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