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Polyarteritis associated with Yersinia enterocolitica infection.
  1. K Pile,
  2. T Kwong,
  3. J Fryer,
  4. R Laurent
  1. Department of Rheumatology, Royal North Shore Hospital, St Leonards, Sydney, Australia.


    A patient developed polyarteritis, predominantly affecting the muscles, 10 days after a Yersinia enterocolitica O:3 infection. Immunoperoxidase staining showed Yersinia enterocolitica O:3 antigen in the subendothelial layer of the blood vessels. This suggests that vasculitis should be considered as a rare manifestation of Yersinia enterocolitica infection.

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