Which historical findings are characteristic of id reaction (autoeczematization)?

Updated: Oct 16, 2020
  • Author: Matthew P Evans, MD; Chief Editor: Dirk M Elston, MD  more...
  • Print

Histopathology of the typical papulovesicular lesion reveals a superficial perivascular lymphohistiocytic infiltrate with a spongiotic epidermis, often with vesiculation. Small numbers of eosinophils may be present in the dermal infiltrate. By definition, infectious agents should not be found in the specimens.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!