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Keratomycosis complicating pterygium excision

Authors Merle H, Guyomarch, Joyaux, Dueymes, Donnio A, Desbois

Published 4 October 2011 Volume 2011:5 Pages 1435—1437


Review by Single anonymous peer review

Peer reviewer comments 2

Harold Merle1, Jérôme Guyomarch1, Jean-Christophe Joyaux1, Maryvonne Dueymes2, Angélique Donnio1, Nicole Desbois2
1Department of Ophthalmology, 2Laboratory of Microbiology, University Hospital of Fort-de-France, Martinique, French West Indies

Abstract: The authors describe a case of keratomycosis that appeared after the exeresis of a pterygium. A 48-year-old patient had been referred with a red right eye associated with an abscess of the cornea along the ablation zone of the pterygium. The surgery had been performed a month beforehand. The abscess was 6 mm high and 4 mm wide. The authors instigated a treatment that included amphotericin B (0.25%) after noticing a clinical aspect evoking a fungal keratitis and finding several septate filaments on direct examination. On day 10, a Fusarium dimerum was isolated on Sabouraud agar. After 15 days of treatment, the result was favorable and the size of the ulceration as well as the size of the abscess had progressively decreased. The antifungal treatment was definitively stopped at 14 weeks. Infectious-related complications of the pterygium surgery are rare and are essentially caused by bacterial agents. Secondary infections by fungus are rare. There have been two previous cases reported: one that appeared 15 years after radiotherapy and another that appeared at 3 weeks post surgery, consecutive to the use of mitomycin C. To the authors' knowledge, this is the first case of a keratomycosis due to F. dimerum reported that complicated the exeresis of a pterygium without the use of an adjuvant antihealing treatment. Pterygium surgery is a common procedure; nevertheless, ophthalmologists need to be aware of the existence of potential infectious complications.

Keywords: keratitis, corneal abscess, Fusarium

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