Intestinal Disorders and IBS Flashcards
1
Q
Viral Intestinal Disorders
A
- adenovirus
- rotovirus
- terminal ileum
2
Q
Bacterial Intestinal Disorders
A
•E. coli
- toxins
- shigatoxin –> HUS
•Shigella
- distal colon
- nursing homes and nurseries
- recurrent or refractory disease in AIDS, immunosuppression
- superficial inflammation, deep ulcers in severe cases
•Salmonella
–colitis can exceed ileitis
•Intestinal TB
- granulomatous
- cecal disease
- strictures
3
Q
Parasitic Intestinal Disorders
A
•amebiasis of the colon
-cysts infectious forms, trophozites active form causing disease
4
Q
Inflammatory Bowel DIsease
A
•Crohn’s
- granulomas, skip lesions, transmural inflammation
- remote sites
•Ulcerative Colitis
- mucsal disease, starts at rectosigmoid and proceeds proximally
- primary sclerosing cholangitis
5
Q
Malabsorption Syndromes
A
•Celiac disease (celiac sprue)
- gluten senstitivity
- atrophic villi in small intestine, epithelial destruction by cytolasmic T cells
- flat epilthelia with diffuse enetritis and inflammatory epithelial infiltrate
•Tropical sprue (post infectious sprue)
- bacterial overgrowth (E. coli and hemophilus)
- epithelium and submucosa equally inflamed
- no slective villous atrophy, only minimal secondary blunting
6
Q
Pseudomembranous colitis
A
- C. difficlie overgrowth
- shallow superficial ulcers
- oral antibiotics except Vancomycin
7
Q
Ischemic Colitis
A
- Acute
- Chronic
