GI Shit Flashcards
Ulcerative Colitis
Superifial inflammation of the colon, bloody diarrhea, 20-30 yoa, crypt abscesses + PSC, Pyoderma gangrenosum, incrased risk of GI cancers
Crohn’s Dz
skip lesions, fistulas, watery insidious diarrhea, nutrient def, noncaseating granulomas, transmural inflammation
UC or Crohns, which is an increased risk of cancer? how do you screen?
UC, Colonoscopy q8 then every 1-3 yrs
UC or Crohns, which is curative w. colectomy?
UC
How do you treat flares of both UC & Crohns?
steroids + Abx(Cipro & metro)
Tx for mild UC & Crohns?
Sulfasalazine for both!
*Mesalamine for UC only
Tx for Moderate UC & Crohns?
Prednisone, Aathioprine/6MP for both!
Tx for Severe UC & Crohns?
Inflixamab -|TNFa for both!
Rituxamab for Crohns
Regular screening for Colon cancer?
50q10
*takes 3-7 yrs to develope
sx of colon cancer?
iron def anemia, alt normal bowel habits, change in stool size = pencil thin stools, mets!
Dx of colon cancer?
Colonoscopy => CT to stage & CEA levels for relapse only!
Tx of Colon cancer?
surgery or FOLFOX(5FU + Leucorcorin + Oxaliplatin) +/- Bevacizumab & VEGF
*last too improves remission
Good vs Bad Polyps?
Good: small, pedunculated, tubular
Bad: large >2cm, sessile, villous
How does screening change w/ UC, 1-2 Polyps, 3+ Polyps?
UC: q8 from dx
1-2 polyps: q5
3+ polyps: q1-3
Peutz-Jeghers tumors?
small intestine tumors + hyperpigmentated buccal mucosa
Gardner tumors?
GI + Jaw
Turcot tumors?
GI + Brain
Hereditary Nonpolyposis Colorectal Cancer(Lynch Syndrome) tumors?
Lynch think = Meryl lynch = CEO! --> due to DNA Mismatch C = colorectal E = endometrial O = Ovarian
Familial Adenomatous Polyposis(FAP)
course? tx?
mut APC = 1000s of polyps by age 18, cancer by 40 & death by 50
tx: colectomy
Diverticular Spasm
LLQ Post-prandial pain relieved by BM
tx: increase fiber
Diverticulitis tx?
NPO, IF & IV abx(amp-genta + metro, Cipro + metro, Pip/tazo)
Which is worse elevated unconget bili or con bili?
UNCONJUGATED BILI! = lipid soluble = will cross the BBB causing kernicterus and wont be ext by urine!
*conjugated will be excreted and not cause kernicterus.
Tx for pancreatitis infection?
meropenem
Tx for Ascending Cholangitis
Cipro + metro ; Amp + genta + metro + pip/tazo
when do you give ABX for pancreatitis?
only when you know FOR SURE there is an infection = need to do Bx first! *meropenem
Tx for Spontaneous Bacteria peritonitits?
Ceftriaxone! give especially wiht GI bleed + ascites
Colorectal cancer family hsiotry colonoscopy screening screening.
10 years before relative dx or age 40 then every 5 yr
FAP colonoscopy screening
age 10-12 start and repeat annually.
HNPCC colonoscopy screening
Age 20-25 repeat every 1-2y