ĐẶC ĐIỂM LÂM SÀNG, CẬN LÂM SÀNG BỆNH LANG BEN Ở TRẺ NHŨ NHI TẠI BỆNH VIỆN DA LIỄU TRUNG ƯƠNG

Abstract

Objectives: Describe the clinical and laboratory characteristics of pityriasis versicolor in infants under two year of age at national hospital of dermatology and venereology in 2023. Method: A descriptive cross-sectional study was conducted in 51 children aged from 2 to 24 months who were diagnosed with pityriasis versicolor at the National Dermatology Hospital from December 2022 to July 2023. Results: The majority of children are aged under 12 months, accounting for more than 80%, the ratio of male/female was 2,4/1. The most common location was the neck (76,5%), followed by the back (41,2%), face (37,3%), and chest (27,5%). 9/51 children (17,6%) had skin scabs in the lesions. 84,3% of children had hypopigmented patchs, 11,8% had pink patchs and 3,9% had hyperpigmented patchs. The majority of children had a lesion area of ​​less than 10% (94,1%). Identification of Malassezia species by culture, the growth rate was 84,3%. Malassezia furfur is the most common pathogen (29.4%), M. globosa (15.7%), and 37.3% of cases had adulterated results. Conclusions: Pityriasis versicolor in children under two years of age is not exceptional. The hypochromic patchs are the main clinical manifestation and the most affected site is the neck.