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Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil.
Fabres, Laura Fuhrich; Maschio, Vinicius José; Santos, Denise Leal Dos; Kwitko, Sergio; Marinho, Diane Ruschel; Araújo, Bruno Schneider de; Locatelli, Claudete Inês; Rott, Marilise Brittes.
Affiliation
  • Fabres LF; Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Division of Parasitology, Universidade Federal do Rio Grande do Sul, Sarmento Leite Street, N 500, Porto Alegre, Rio Grande do Sul, 90050-170, Brazil.
  • Maschio VJ; Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Division of Parasitology, Universidade Federal do Rio Grande do Sul, Sarmento Leite Street, N 500, Porto Alegre, Rio Grande do Sul, 90050-170, Brazil.
  • Santos DLD; Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Division of Parasitology, Universidade Federal do Rio Grande do Sul, Sarmento Leite Street, N 500, Porto Alegre, Rio Grande do Sul, 90050-170, Brazil.
  • Kwitko S; Cornea Division, Department of Ophthalmology, Hospital de Clínicas de Porto Alegre, Rio Grande do Sul, Ramiro Barcelos Street, N 2350, Porto Alegre, Rio Grande do Sul, 90035-903, Brazil.
  • Marinho DR; Cornea Division, Department of Ophthalmology, Hospital de Clínicas de Porto Alegre, Rio Grande do Sul, Ramiro Barcelos Street, N 2350, Porto Alegre, Rio Grande do Sul, 90035-903, Brazil.
  • Araújo BS; Cornea Division, Department of Ophthalmology, Hospital de Clínicas de Porto Alegre, Rio Grande do Sul, Ramiro Barcelos Street, N 2350, Porto Alegre, Rio Grande do Sul, 90035-903, Brazil.
  • Locatelli CI; Cornea Division, Department of Ophthalmology, Hospital de Clínicas de Porto Alegre, Rio Grande do Sul, Ramiro Barcelos Street, N 2350, Porto Alegre, Rio Grande do Sul, 90035-903, Brazil.
  • Rott MB; Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Division of Parasitology, Universidade Federal do Rio Grande do Sul, Sarmento Leite Street, N 500, Porto Alegre, Rio Grande do Sul, 90050-170, Brazil.
Acta Parasitol ; 63(2): 428-432, 2018 Jun 26.
Article in En | MEDLINE | ID: mdl-29654672
ABSTRACT
Several strains of free-living amoebae belonging to the genus Acanthamoeba can cause a painful sight-threatening disease of the cornea known as Acanthamoeba keratitis (AK). The numbers of AK cases keep rising worldwide mainly due to an increase in contact lens wearers and lack of hygiene in the maintenance of contact lenses and their cases. We report a case of AK in a healthy young woman admitted to the Hospital de Clinicas in Porto Alegre, southern Brazil. Corneal scrapings were examined for the presence of Acanthamoeba strains. The initial isolate was characterized by morphological and genotypic properties. The isolate belonged to group III according to Pussard and Pons' cyst morphology. Analysis of its 18S rDNA sequence identified the isolate as genotype T4. The T4 genotype is the most commonly reported among keratitis isolates and the most common in environmental samples.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Acanthamoeba / Acanthamoeba Keratitis / Contact Lenses / Cornea Type of study: Etiology_studies / Prognostic_studies Limits: Adult / Female / Humans Country/Region as subject: America do sul / Brasil Language: En Journal: Acta Parasitol Year: 2018 Document type: Article Affiliation country: Brazil
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Acanthamoeba / Acanthamoeba Keratitis / Contact Lenses / Cornea Type of study: Etiology_studies / Prognostic_studies Limits: Adult / Female / Humans Country/Region as subject: America do sul / Brasil Language: En Journal: Acta Parasitol Year: 2018 Document type: Article Affiliation country: Brazil