bacteria


Expand All | Collapse All
  • Minimal inflammation

    • enteropathic E. coli
    • enteroadherent E. coli
    • spirochetes
    • neisseria
  • Acute colitis

    • shigella
    • campylobacter
    • aeromonas
    • salmonella (nontyphoid)
    • occasional C. difficile
    • syphilis +/- plasma cells
  • Pseudomembrane

    • enterohemorrhagic E. coli
    • C. difficile
    • occasionally shigella
  • Granulomatous

    • Yersinia
    • TB
    • mycobacteria avium in immunocompetent
    • actinomyces (mixed suppurative)
    • rarely syphilis
  • Histiocytic

    • rhodococcus equi
    • mycobacteria avium in immunocompromised
  • Lymphohistiocytic

    • LGV
    • salmonella typhimurium
  • Marked architectural distortion

    • salmonella typhimurium
    • shigella
  • Ischemia

    • enterohemorrhagic E. coli