Yersinia enterocolitica

• Gram (-) rod

• most common infection of SB
  • superficial
  • self-limited
  • TI is preferred site

• three stages: nodular, edematous, resolution (each 2 wks)

DDx:

• Peyer's patches
• Crohn disease

© 2002, C.E. Kahn, Jr.
2002-04-18