Related Experiment Video
Updated: Jun 1, 2026

Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression
Published on: June 15, 2019
Acute necrotizing sinusitis caused by Staphylococcus lugdunensis
Philippa C Matthews1, Rajeka Lazarus, Andrew Protheroe
1Department of Microbiology and Infectious Diseases, John Radcliffe Hospital, Oxford Radcliffe Hospitals NHS Trust, Headley Way, Headington, Oxford OX3 9DU, United Kingdom. p.matthews@doctors.org.uk
Abstract:
Staphylococcus lugdunensis is most commonly associated with infections arising from the inguinal region, but here we report this organism as a cause of bacterial sinusitis, highlighting its potential niche as a commensal of the upper airways. The severity of necrosis demonstrates the potential for destructive pathology mimicking Staphylococcus aureus disease.
Insights
Staphylococcus lugdunensis, typically linked to inguinal infections, is now identified as a cause of bacterial sinusitis. This finding suggests its potential role as an upper airway commensal, capable of causing severe tissue damage.
Area of Science:
- Microbiology
- Infectious Diseases
- Otolaryngology
Background:
- Staphylococcus lugdunensis is primarily known for causing infections in the inguinal region.
- Its role in upper respiratory tract infections has not been extensively studied.
Observation:
- This study reports a case of bacterial sinusitis caused by Staphylococcus lugdunensis.
- The patient presented with severe necrotic sinusitis.
Findings:
- Staphylococcus lugdunensis can be a causative agent of bacterial sinusitis.
- The observed pathology was severe, with significant necrosis.
- This suggests Staphylococcus lugdunensis may act as a commensal in the upper airways, with pathogenic potential.
Implications:
- Highlights a potential new niche for Staphylococcus lugdunensis as an upper airway commensal.
- The organism's capacity for destructive pathology mimics that of Staphylococcus aureus.
- This finding may broaden the differential diagnosis for bacterial sinusitis and necessitate further investigation into S. lugdunensis upper airway colonization.
Related Concept Videos
Staphylococcal Skin Infections
Brain Abscess l: Introduction
Bacterial Meningitis I: Introduction
Streptococcal Pharyngitis
Bacterial Meningitis
Tonsillitis I: Introduction
Etiology
Three primary contributing factors have been identified.