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Updated: Mar 15, 2026
12:18
Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus MRSA
Published on: February 9, 2011
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[Ecthyma gangrenosum caused by Staphylococcus aureus].
Alejandra Jaque1, Catherina Moll-Manzur2, María Teresa Dossi3
1Departamento de Dermatología, Pontificia Universidad Católica de Chile, Chile, alejaque@gmail.com.
Summary
Ecthyma gangrenosum, a necrotizing vasculitis, typically stems from Pseudomonas aeruginosa sepsis in immunocompromised individuals. This case highlights methicillin-resistant Staphylococcus aureus as an unusual cause in a patient lacking typical risk factors.
Area of Science:
- Dermatology
- Infectious Diseases
- Pathology
Background:
- Ecthyma gangrenosum is a rare necrotizing vasculitis.
- It is most frequently associated with Pseudomonas aeruginosa sepsis.
- Immunocompromised patients are typically affected.
Observation:
- This report details an unusual case of ecthyma gangrenosum.
- The patient presented with methicillin-resistant Staphylococcus aureus infection.
- The patient lacked the classic immunological risk factors.
Findings:
- Methicillin-resistant Staphylococcus aureus can cause ecthyma gangrenosum.
- Ecthyma gangrenosum can occur in immunocompetent individuals.
- This broadens the spectrum of infectious etiologies for this condition.
Implications:
- Clinicians should consider a broader range of pathogens, including Staphylococcus aureus, in ecthyma gangrenosum.
- Further research is needed to understand the mechanisms of ecthyma gangrenosum in immunocompetent patients.
- This case expands the differential diagnosis for necrotizing skin lesions.
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