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Necrotizing Streptococcus pyogenes Infiltrating Conjunctiva and Tenon's Capsule: A Case Report
Dalton de Freitas Santoro1, Murilo Ubukata Polizelli1, Paulo Alberto Cervi Rosa1
1Department of Ophthalmology, Federal University of São Paulo, Sao Paulo, Brazil.
Case Reports in Ophthalmology
|May 12, 2021
Summary
Necrotizing infection of the conjunctiva and Tenon's capsule caused by Streptococcus pyogenes is a rare ophthalmologic condition. Prompt treatment with antibiotics successfully eradicated the infection.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Microbiology
Background:
- Necrotizing infections of the ocular surface are uncommon.
- Streptococcus pyogenes is a rare cause of conjunctival and Tenon's capsule infections.
Observation:
- A 50-year-old male presented with acute red eye, purulent discharge, and pain, initially diagnosed as post-septal cellulitis.
- Clinical examination revealed a yellowish, dense membrane on the ocular surface with necrotic Tenon's capsule.
Findings:
- Conjunctival culture confirmed Streptococcus pyogenes.
- Tenon's capsule biopsy showed unspecific acute inflammatory necrosis.
- Ancillary exams ruled out rheumatologic involvement.
Implications:
- This case highlights an atypical presentation of Streptococcus pyogenes infection in the eye.
- Early diagnosis and aggressive antibiotic treatment are crucial for managing this rare condition.
- Previous ocular surgery may be a predisposing factor, as suggested by literature review.
