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Updated: Aug 3, 2026

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Published on: March 18, 2014
Panniculitis in Pseudomonas aeruginosa septicemia
Abstract:
A 71-year-old man developed multiple subcutaneous nodules during Pseudomonas aeruginosa septicemia. The acute and simultaneous flare of inflammatory nodules in a septic patient appears to be rather specific in Pseudomonas infections. Histological vascular lesions are prominent in the subcutaneous nodules.
Insights
Pseudomonas aeruginosa septicemia can cause specific inflammatory nodules. These subcutaneous nodules show prominent vascular lesions upon histological examination.
Area of Science:
- Dermatology
- Infectious Diseases
- Pathology
Background:
- Septicemia, a serious bloodstream infection, can manifest with diverse clinical signs.
- Pseudomonas aeruginosa is an opportunistic pathogen known for causing severe infections, particularly in immunocompromised individuals.
Observation:
- A 71-year-old male patient presented with multiple, simultaneously appearing subcutaneous nodules during an episode of Pseudomonas aeruginosa septicemia.
- The clinical presentation of acute, widespread inflammatory nodules was noted as potentially specific to Pseudomonas infections.
Findings:
- Histopathological examination of the subcutaneous nodules revealed prominent vascular lesions.
- These vascular changes are likely associated with the inflammatory response to Pseudomonas aeruginosa bacteremia.
Implications:
- The findings suggest that specific cutaneous manifestations, such as inflammatory nodules with vascular lesions, may serve as a clinical indicator of Pseudomonas aeruginosa septicemia.
- Further research could explore the diagnostic utility and pathogenic mechanisms of these specific dermatological findings in sepsis.
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