Related Experiment Video
Updated: Jun 15, 2025

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus MRSA
Published on: February 9, 2011
A Rare Neonatal Infection: Methicillin-Resistant Staphylococcus aureus (MRSA) Orbital Cellulitis
Elizabeth Davis1, Coral Molina1, Adarsh Kancharla2
1Family Medicine, Spartanburg Regional, Spartanburg, USA.
Abstract:
We present a case of orbital cellulitis as a rare cause of late-onset neonatal sepsis in a 4-week-old infant. Although ample literature describes orbital cellulitis in pediatric age groups, community-acquired orbital cellulitis as a cause of late-onset neonatal sepsis has not been well-described. We report one case of late neonatal sepsis in which orbital cellulitis and subsequent methicillin-resistant Staphylococcus aureus (MRSA) bacteremia were found. This case emphasizes the importance of early recognition of orbital cellulitis in neonates and awareness of this unique cause of sepsis.
Insights
Orbital cellulitis is a rare cause of late-onset neonatal sepsis. Early recognition of this condition and methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is crucial for prompt infant treatment.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Ophthalmology
Background:
- Orbital cellulitis is typically seen in pediatric patients.
- Late-onset neonatal sepsis requires prompt diagnosis and treatment.
- Community-acquired orbital cellulitis as a cause of neonatal sepsis is not well-documented.
Observation:
- A 4-week-old infant presented with symptoms of late-onset neonatal sepsis.
- The infant was diagnosed with orbital cellulitis.
- Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia was subsequently identified.
Findings:
- Orbital cellulitis can be a rare cause of late-onset neonatal sepsis.
- MRSA bacteremia can arise secondary to orbital cellulitis in neonates.
- This case highlights a unique presentation of neonatal sepsis.
Implications:
- Early recognition of orbital cellulitis in neonates is vital.
- Increased awareness of orbital cellulitis as a cause of neonatal sepsis is needed.
- Prompt management can improve outcomes for infants with this condition.

