An Atypical Etiology of Fungal Keratitis Caused by Roussoella neopustulans

Morgana F Voidaleski; Flavio Queiroz-Telles; Hugo T Itikawa; Guilherme G Müller; Bruna J F S Lima; Lucas E Trevisoli; Regielly C R Cognialli; Roberta C L Crispim; Vania A Vicente

doi:10.3390/jof8050507

An Atypical Etiology of Fungal Keratitis Caused by Roussoella neopustulans

J Fungi (Basel). 2022 May 15;8(5):507. doi: 10.3390/jof8050507.

Authors

Affiliations

¹ Postgraduate Program in Microbiology, Parasitology and Pathology, Biological Sciences, Department of Basic Pathology, Federal University of Parana, Curitiba 81531-980, Brazil.
² Department of Public Health, Hospital de Clínicas, Federal University of Paraná, Curitiba 80060-900, Brazil.
³ Hospital de Olhos Noroeste do Paraná, Cianorte 87200-000, Brazil.
⁴ Faculty of Medicine, Federal University of Paraná, Curitiba 80060-000, Brazil.
⁵ Médicos de Olhos S/A, Curitiba 80420-100, Brazil.
⁶ Mackenzie Evangelical School of Medicine Parana, Curitiba 80730-000, Brazil.
⁷ Unimed Laboratório Curitiba, Curitiba 80240-030, Brazil.
⁸ Postgraduate Program in Internal Medicine and Health Science, Federal University of Parana, Curitiba 80060-900, Brazil.

Abstract

Fungal keratitis is caused by a wide spectrum of fungal genera, including molds and yeasts. We report a 42-year-old patient with mycotic keratitis after a direct trauma by a wood fragment. The fungal isolate was identified as Roussoella neopustulans by molecular methods. The treatment with topic natamycin showed progressive improvement of the visual manifestations, and following three months of therapy, the patient regained sight. We report the first case of keratitis associated with R. neopustulans.

Keywords: Roussoella; eye infections; keratitis; natamycin.

Publication types

Case Reports

Grants and funding

The work of V. A. Vicente received fellowships from CNPq (grant number 312811/2018–7), Brasilia, Brazil; The work was supported by the Araucaria Foundation (http://www.fappr.pr.gov.br/) (NAPI grant number 113/2020).