How is necrotizing fasciitis (streptococcal gangrene/fasciitis) differentiated from cellulitis in group A streptococcal (GAS) infections?

Updated: Sep 07, 2018
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Answer

Necrotizing fasciitis is an extensive and rapidly spreading infection of the subcutaneous tissue and fascia that is accompanied by necrosis and gangrene of the skin and underlying structures. Differentiation between streptococcal cellulitis and necrotizing fasciitis can be difficult, and careful serial physical examination is crucial.


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