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Infectio
Print version ISSN 0123-9392
Abstract
ORTIZ-FLOREZ, Andrea et al. Clinical-epidemiological characteristics of patients with tinea versicolor in a Colombian reference center. Infect. [online]. 2021, vol.25, n.1, pp.11-15. ISSN 0123-9392. https://doi.org/10.22354/in.v25i1.902.
Objective:
to describe the sociodemographic aspects, clinical presentation and extrinsic conditions that may increase the risk of developing pityriasis versicolor.
Materials and methods:
a descriptive, cross-sectional and prospective observational study was conducted. Patients with clinical and mycological diagnosis of ptyriasis versicolor were included from january to december 2018 who attended to the Hospital Universitario Centro Dermatológico Federico Lleras Acosta.
Results:
a total of 42 patients were included in the study, all of them had confirmed mycological diagnosis of pityriasis versicolor. The most common location of the lesions was the anterior thorax (68%) and posterior thorax (65%), in III and IV phototypes (78.5%) with a hypochromic color. 28% had recurrent infection, with symptoms mean of 7 years before the consultation. The Besnier sign was positive in 95% of cases, 64% reported personal history of hyperhidrosis and 67% practiced some sports: diving, swimming and gymnastics.
Discussion:
recognizing extrinsic conditions that may increase the risk of developing pitiraisis versicolor in this population allows identifying control measures to prevent a relapse. The main factors involved in the development of pitiraisis versicolor were traveling to places with high temperatures and sport practice. In atypical clinical presentation it is mandatory to perform the mycological direct test to confirm the diagnosis. The Besnier sign is a useful method for the clinical diagnosis of pityriasis versicolor, particularly when access to direct examination is limited.
Keywords : Pityriasis versicolor; mycosis; Malassezia; epidemiology; diagnosis.