What are the histologic features characteristic of bedbug bites?

Updated: Apr 18, 2019
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Dirk M Elston, MD  more...
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Answer

Most reactions to bedbugs show a superficial and deep perivascular mixed inflammatory infiltrate, with eosinophils being prominent rather than neutrophils. Eosinophils may be prominent among collagen bundles, or they may be absent.


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