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[Diagnostic criteria for erysipelas]
1Service de Dermatologie, Université François-Rabelais et CHU, Tours, France.
Annales De Dermatologie Et De Venereologie
|April 25, 2001
Summary
Diagnosing erysipelas relies on clinical signs like inflammatory plaques and fever, as bacteriology is often unreliable. Initial treatment should target streptococci, with further investigation if ineffective.
Area of Science:
- Infectious Diseases
- Dermatology
- Microbiology
Background:
- Erysipelas diagnosis typically combines clinical presentation (inflammatory plaque, fever) with systemic signs (lymphadenopathy, hyperleukocytosis), though these symptoms vary significantly.
- Bacteriological confirmation of erysipelas is challenging due to low sensitivity of hemoculture (5%) and standard examinations (5-41%), and delayed serology results.
- Distinguishing erysipelas from non-necrotizing cellulitis, necrotizing fasciitis, and non-infectious mimics (e.g., venous thrombosis) is crucial but complicated by overlapping clinical features.
Framework:
- The diagnostic value of clinical symptoms for erysipelas remains uncertain.
- A definitive diagnostic gold standard for erysipelas has not been established.
- The existence of non-streptococcal erysipelas, particularly staphylococcal forms, is debated due to diagnostic ambiguities.
Implementation:
- Antistreptococcal antibiotics are recommended as the primary treatment for all erysipelas cases.
- Hemoculture and complete blood count are suggested as potentially useful pre-treatment investigations.
- Re-evaluation of differential diagnoses is necessary if initial antistreptococcal therapy proves ineffective.
Implications:
- Accurate erysipelas diagnosis is essential for appropriate treatment and patient outcomes.
- Further research is needed to establish reliable diagnostic criteria and gold standards for erysipelas.
- Understanding the spectrum of erysipelas and its mimics can improve clinical management and reduce misdiagnosis.