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Skip Navigation LinksHome > July 2013 - Volume 39 - Issue 4 > Candida Fermentati: A Rare Yeast Involved in Fungal Keratit...
Eye & Contact Lens: Science & Clinical Practice:
doi: 10.1097/ICL.0b013e318255121f
Case Report

Candida Fermentati: A Rare Yeast Involved in Fungal Keratitis

Sengupta, Jayangshu M.S.; Saha, Suman M.Sc.; Khetan, Archana M.S.; Ganguly, Alokesh M.S.; Banerjee, Debdulal Ph.D.

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Purpose: The aim of this study was to report a rare case of fungal keratitis from Eastern India.

Methods: This is a case report.

Results: A 52-year-old man with a history of minor trauma presented with a total corneal ulcer and hypopyon in the left eye. Microbiologic examination of corneal scrapings showed yeast cells in direct smear and typical yeast colonies on multiple solid agar media. Identification of the organism isolated in the culture was performed using the D1/D2 region of the large subunit (LSU 28S rDNA)–based molecular technique. Polymerase chain reaction amplified a band with a sequence that was 100% homologous with that of Candida fermentati. The organism was susceptible to amphotericin B and anidulafungin and demonstrated resistance to voriconazole, itraconazole, and fluconazole. Therapeutic keratoplasty was performed, followed by the recurrence of the infection in the graft, which was controlled with topical and intracameral amphotericin B. At the end of 3 months, the affected eye had developed phthisis bulbi.

Conclusions: This is the first report of isolation of C. fermentati, a species closely related to Candida guilliermondii, from keratitis. Molecular diagnostic techniques are helpful in the accurate identification of this organism, which is clinically important in view of an antifungal susceptibility pattern that differs from that of other yeasts and for selection of appropriate therapy.

© 2013 Contact Lens Association of Ophthalmologists, Inc.


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