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Updated: Feb 10, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus MRSA
Published on: February 9, 2011
COMMUNITY-ASSOCIATED METHICILLIN-RESISTANT STAPHYLOCOCCUS AUREUS SUBRETINAL ABSCESS IN A NONBACTEREMIC PATIENT
Jessica F Yang1, Kamal Kishore1,2
1Department of Surgery, University of Illinois College of Medicine, Peoria Campus, Peoria, Illinois; and.
Purpose:
To report a case of community-associated methicillin-resistant Staphylococcus aureus subretinal abscess that continued to progress, despite intravitreal and systemic antibiotic therapy.
Methods:
Retrospective chart review of a 77-year-old female patient with well-controlled diabetes mellitus who developed a left eye endophthalmitis and subretinal abscess from methicillin-resistant S. aureus colonization in the absence of any systemic focus of infection.
Results:
The abscess and endophthalmitis resolved after the second pars plana vitrectomy that included drainage of a subretinal abscess after the failure of initial pars plana vitrectomy, and intravitreal and systemic antibiotics. Retinal detachment due to proliferative vitreoretinopathy necessitated the third pars plana vitrectomy 2 weeks after the second pars plana vitrectomy.
Conclusion:
The authors present an unusual case of methicillin-resistant S. aureus subretinal abscess in a patient with methicillin-resistant S. aureus colonization with negative blood, aqueous humor culture, and vitreous culture but a positive culture from subretinal aspirate.
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