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Arthrographis keratitis mimicking acanthamoeba keratitis.

Author(s): Biser SA, Perry HD, Donnenfeld ED, Doshi SJ, Chaturvedi V

Affiliation(s): Hudson Valley Eye Surgeons, Fishkill, NY, USA.

Publication date & source: 2004-04, Cornea., 23(3):314-7.

Publication type: Case Reports; Research Support, Non-U.S. Gov't

OBJECTIVE: To describe a case of keratomycosis caused by Arthrographis kalrae, mimicking Acanthamoeba keratitis. METHODS: Case report. RESULTS: A 23-year-old female contact lens wearer developed dendritic keratitis in her amblyopic eye (OD). Baseline vision was 20/50. Treatment with trifluridine 1% resulted in resolution of the dendrite, but an area of stromal haze developed, spreading to a discontinuous ring shape, and the vision dropped to 20/200. Photophobia was intense, and pain was out of proportion to the examination. Cultures were sent, and empiric treatment of Acanthamoeba was begun, without subsequent improvement. After 4 weeks, cultures were positive for a fungal species. Amphotericin 0.5% drops were begun, with moderately rapid resolution of the active keratitis. At last follow-up, best-corrected vision was 20/100. Review of the culture showed the organism to be Arthrographis kalrae. CONCLUSION: Arthrographis kalrae has been reported only once before as an ocular pathogen. As in the previously reported case of Arthrographis, our patient's presentation was strongly suggestive of Acanthamoeba keratitis.

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