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European Journal of Dermatology

Onychomycosis by molds. Report of 78 cases Volume 17, issue 1, January-February 2007

  • Auteur(s) : Alexandro Bonifaz, Pamela Cruz-Aguilar, Rosa María Ponce , Dermatology Service and Mycology Department. Hospital General de México OD. Sánchez-Azcona 317-202. Col del Valle, CP, 03020 México D. F.
  • Mots-clés : Aspergillus niger, molds, Onychomycosis, Scopulariopsis brevicaulis, Subungual
  • Page(s) : 70-2
  • DOI : 10.1684/ejd.2007.0092
  • Année de parution : 2007

A retrospective study of onychomycohosis by molds was carried out during a 14-year period (1992-2005). All cases were clinically and mycologically proven (repetitive KOH and culture) and then each of the molds was identified. A total of 5,221 cases of onychomycosis were evaluated, 78 of which were molds (1.49%). Mean patient age was 44.1 years. 75/78 cases occurred in toenails. Associated factors were detected in 39/78 (50.0%) cases, with the major ones being: peripheral vascular disease, contact with soil, and trauma. The most frequent clinical presentation was distal and lateral subungual onychomycosis (DLSO), in 54/78 cases (69%). The most frequent causative agents were: Scopulariopsis brevicaulis in 34/78 cases and Aspergillus niger in 13/78 cases. Onychomycoses by molds are infrequent; in this study they accounted for 1.49% of cases. The clinical features are virtually similar to those caused by dermatophytes, which makes the clinicomycological tests necessary.