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Updated: May 22, 2026

Oral Biofilm Sampling for Microbiome Analysis in Healthy Children
Published on: December 31, 2017
Onychomycosis in the Denver pediatrics population, a retrospective study
Lindsay S Young1, Harvey A Arbuckle, Joseph G Morelli
1Department of Pediatrics, School of Medicine University of Colorado, Denver, ColoradoDepartment of Dermatology, Kaiser Permanente Colorado, Denver, ColoradoDepartment of Dermatology, School of Medicine University of Colorado, Denver, ColoradoDepartment of Pediatric Dermatology, Children's Hospital Colorado, Aurora, Colorado.
Abstract:
Onychomycosis (OM) is a common nail disorder in adults but has been rare in children. Recent international studies have demonstrated a rise in the prevalence of OM in children and adolescents, with Trichophyton rubrum being the most common pathogen. This 5-year retrospective chart review of children (aged <18) found that 66 of 141 patients (46.8%) presenting to Children's Hospital Colorado or Denver Health Medical Center Dermatology clinics with nail complaints had OM, with the highest prevalence in those aged 6 to 10 and a slight male predominance. Toenails were more commonly affected, and Trichophyton rubrum was the most common pathogen.
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