J Korean Ophthalmol Soc.  2010 Nov;51(11):1525-1527. 10.3341/jkos.2010.51.11.1525.

A Case of Alcaligenes xylosoxidans Keratitis in a Soft Contact Lens Wearer

• Cho YK
• Gi DH
• Kim HK
• La TY

• KMID: 2213990
• DOI: http://doi.org/10.3341/jkos.2010.51.11.1525

Abstract

PURPOSE
To report a case of corneal ulcer due to Alcaligenes xylosoxidans in a soft contact lens wearer.
CASE SUMMARY
A 20-year-old female patient presented with a corneal ulcer. The patient had been wearing soft contact lenses over 6 months. The ulcer had a typical appearance, similar to that of immune infiltration due to contact lenses. However, the corneal scraping and culture yielded Alcaligenes xylosoxidans, which is susceptible to ceftazidime and levofloxacine in the antibiotic susceptibility test. After treatment with topical antibiotics, her eye improved, with only a mild corneal scar remaining.
CONCLUSIONS
Alcaligenes xylosoxidans should be considered as a potential causal pathogen of keratitis upon wearing soft contact lenses. Additionally, any lesion should be suspected as a bacterial corneal ulcer, even if appearing as an immune infiltration due to contact lenses.

Keyword

Alcaligenes xylosoxidans; Contact lens

MeSH Terms

Alcaligenes
Anti-Bacterial Agents
Ceftazidime
Cicatrix
Contact Lenses
Contact Lenses, Hydrophilic
Corneal Ulcer
Eye
Female
Humans
Keratitis
Ofloxacin
Ulcer
Young Adult
Anti-Bacterial Agents
Ceftazidime
Ofloxacin

Figure

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  Figure 1. At the initial examination, 1.0 mm×1.0 mm-size stromal infiltration and surrounding multiple, tiny infiltration-like satellite lesion near limbus is observed.

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  Figure 2. At the initial examination, the lesion shows no staining after fluorescein dye instillation.

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  Figure 3. At the 11th examination, with susceptible antibiotics treatment, remained faint corneal stromal scar was observed.

Reference

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