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30 Cards in this Set
- Front
- Back
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risk factors of colorectal cancer
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genetics:
- AFP - lynch syndrome - HNPCC - gardners - cowdens other: - UC (need colonoscopy 8-10 yrs aft dx) |
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sxs of R sided colorectal cancer
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bleeding
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bleeding in colorectal cancer means what?
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it's R-sided
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sxs of L sided colorectal cancer
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obstruction
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obstruction in colorectal cancer means what?
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it's L-sided
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sxs of rectal cancer:
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- pain/fullness
- bleeding/obstruction |
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colorectal cancer workup
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- DRE
- transrectal U/S (depth of invasion) - colonoscopy - CEA to measure recurrance - CT for staging |
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tx for colon cancer:
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remove affected segments & chemo if node(+)
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tx for rectal cancer:
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- upper/mid 1/3 get a LAR
- lower 1/3 gets APR (remove sphincter, permanent colostomy) |
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diverticulosis occurs d/t...
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low fiber diet; areas of wkness where bld vessels penetrate→ bleed
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complications of diverticulosis:
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- BLEEDING
- obstruction - diverticulitis |
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what's the diff in DIVERTICULITIS, vs. diverticulosis?
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diverticulum becomes obstructed & forms abscess/perforates
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are diverticulae of diverticulosis true or false?
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FALSE diverticulae (only outpocketings of mucosa)
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sxs of diverticulitis
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- LLQ pain
- either constipation or diarrhea |
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imaging for diverticulitis:
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- look for free air
- CT is BEST imaging to eval for abscess - NO barium enema! |
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tx of diverticulitis
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NPO, NG suction, IVF, broad spec abx, pain control
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when do you do a colonoscopy after dx of diverticulitis?
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4-6 wks later
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when is surgery indicated in diverticulitis?
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- multiple episodes
- age <50 - elective is better than emergency (can do primary anastamosis) |
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IBD that involves the terminal ileum
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Crohn's (mimics appendicitis, Fe deficiency)
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what is the clinical picture w/terminal ileum Crohn's?
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- mimics appendicitis
- fe deficiency |
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IBD that's continuous, involving rectum?
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UC
(rarely ileal backwash, but never higher) |
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IBD w/inc risk for primary sclerosing cholangitis
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UC
(PSC l/t higher risk of cholangioCA) |
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IBD where fistula is likely
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Crohn's
(give metronidazole) |
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tx for fistula in Crohn's
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metronidazole
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IBD w/granulomas on bx
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Crohn's
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IBD cured by colectomy
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UC
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smokers have a lower risk for which IBD?
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UC
(higher risk for Crohn's) |
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IBD w/highest risk of colon cancer
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UC
(another reason for colectomy) |
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IBD a/w p-ANCA
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UC
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med tx of IBD
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- to maintain remission: ASA, sulfasalazine
- to induce remission: corticosteroids - for ANY CD ulcer/abscess: metronidazole - severe dz: azathioprine, 6MP, & methotrexate |
