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Streptococcal septic vasculitis

T J O'Brien1, M I Mcdonald, B F Reid

  • 1Department of Dermatology, Geelong Hospital, Victoria, Australia.

The Australasian Journal of Dermatology
|November 1, 1995
PubMed
Summary
This summary is machine-generated.

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Invasive Group A Streptococcus caused skin lesions, starting from a peritonsillar abscess. This bacteraemic spread led to purpuric plaques with blistering and ulceration, confirmed by skin biopsy.

Area of Science:

  • Infectious Diseases
  • Dermatology
  • Rheumatology

Background:

  • Invasive Group A Streptococcus (GAS) infections can manifest with diverse clinical presentations.
  • Peritonsillar abscesses are a known focal point for GAS, potentially leading to systemic spread.

Observation:

  • A patient presented with acral purpuric plaques on the skin.
  • These lesions progressed to blistering and ulceration.
  • The clinical presentation suggested a vasculitic process.

Findings:

  • Group A beta-haemolytic Streptococcus was identified as the causative agent.
  • Bacteraemic spread from a peritonsillar abscess was the presumed mechanism.
  • Skin biopsy histology revealed a vasculitic pattern.

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Implications:

  • This case highlights the potential for GAS bacteraemia to cause severe cutaneous manifestations resembling vasculitis.
  • Early recognition and treatment of invasive GAS are crucial to prevent such complications.
  • Understanding the link between abscesses and dermatological sequelae is important for clinicians.