Path fall midterm GI two

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  1. Clostridium difficile colitis

    colon coated by tan pseudomembranes
  2. Clostridium difficile colitis

    pattern of neutrophils emanating froma crypt, volcanic eruption
  3. Clostridium diffcile colitis

    • Inc in elderly population
    • After normal flora wiped out by antibacterials
  4. Crohn disease

    Small intestinal stricture
  5. Chron disease

    Linear mucosal ulcers adn thickened intestinal wall
  6. Crohn disease

    Perforation and associated serositis
  7. Crohn diseas

    Creeping fat
  8. Crohn disease

    Haphazard crypt organization resulting from repeated injury and regeneration
  9. Crohn disease

    Noncaseating granuloma
  10. Crohn disease

    Submucosal and serosal granulomas
  11. Ulcerative collitis
  12. Ulcerative colitis

    stops suddenly
  13. Ulcerative Colitis

    Only mucosa involved
  14. Ulcerative Colitis

    Crypt absess with neutrophils in lumen
  15. Colitis associated dysplasia

    Dysplasia with extensive nuclear stratification and marked nuclear hyperchromasia
  16. Ischemic bowel disease
  17. Diverticular disease

    High pressure in intestines forms outpouches
  18. Peutz-Jeghers Syndrome

    • Freckles around mouth
    • Also see polyps in small intestine (hemorrhagic) telescoping into bowel
  19. Peutz-Jeghers polyp

    • Branching muscle strands
    • Distended glands without dysplasia
  20. FAP polyps

    • thousands of polyps
    • familial adenomatous polyposis
  21. Adenomatous Polyp
  22. Adenomatous Polyp
  23. Tubular adenoma with a smooth surface and rounded glands. Active inflammation is occasionally present in adenomas, in this case, crypt dilation and rupture can be seen at the bottom of the field
  24. Villous adenoma with long, slender projections that are reminiscent of small intestinal villi
  25. Dysplastic epithelial cells with an increased nuclear to cytoplasmic ratio, hyperchromatic and elongated nuclei and nuclear pseudostratification
  26. Sessile serrated adenoma lined by goblet cells without typical cytologic features of dysplasia.
  27. In-situ (non invasive) and invasive (basement membrane through) colorectal cancer
  28. Colorectal cancer metastases in liver

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Path fall midterm GI two
2011-10-14 06:21:30

part two of GI pics from review
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