What is the significance of a finding of a preauricular lymph node in the evaluation of bacterial conjunctivitis (pink eye)?

Updated: Jan 03, 2019
  • Author: Karen K Yeung, OD, FAAO; Chief Editor: Andrew A Dahl, MD, FACS  more...
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Answer

A preauricular lymph node is unusual in bacterial conjunctivitis but can be present in severe conjunctivitis caused by N gonorrhoeae. This key finding is also strongly associated with viral ocular syndromes, typically herpes simplex keratitis and epidemic keratoconjunctivitis.


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