Stomach, Small Bowel Flashcards Preview

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Flashcards in Stomach, Small Bowel Deck (21):
1

MALT is a precursor to ______;
Rx with ________

gastric lymphoma; it regresses with H. Pylori rx

2

clo test detect...

urease from H. pylori

3

Type I gastric ulcer assoc w/ ____;
other types assoc w/ _______

Type A blood; others- type O blood

4

Type I gastric ulcer _________ (here); Type II ______; Type III ______; Type IV _______; Type V _____

I: lesser curve; II: 2 ulcers (lesser curve and duodenal); III: prepyloric; IV: high lesser curve; V: anywhere assoc w NSAID use

5

Gastric adeno CA: assoc w/ adenoma > than ___; type ___ blood; ____ (med); ____ (disease); ____ (disease)

adenoma >2cm; type A blood; nitrosamines, chronic atrophic gastritis; pernicious anemia

6

Size margins for gastric adenocarcinoma

6cm; has intramural spread

7

Gastric lymphoma: Rx of choice?

chemo and RT rx of choice, surgery for complications

8

Bowel rest and NGT cures ___% of partial SBO; ___% of complete SBO

65% of partial; 20% of complete

9

Terminal ileum resection consequences:
Decreased x 3 things.....

decr bile salt absorption -> less colonic h20 absorption -> diarrhea; decr B12/intrinsic factor absorption; decr binding of oxalate-> more oxalate absorbed in colon-> more oxalate stones

10

Pts w/ Crohn's dz with numerous strictures:
avoid _____, preform ______

avoid resection (and short gut); preform stricturoplasties

11

Carcinoid:
_____ is converted to _____; measured in _____

tryptophan -> serotonin -> 5-HIAA

12

Tryptophan diversion in Carcinoid can cause......

pellegra (3 D's: dermatitis, dementia, diarrhea)

13

Serotonin is secreted by these cells with this stain?
________ and ___________

enterochromaffin cells; argentafin staining

14

___% of patients with ___ get carcinoid syndrome:
what is it?? ___, ____, ___, ___

9% of patients with METS; flushing, asthma, diarrhea, R sided heart valve dz

15

what helps carcinoid syndrome?

octreotide helps

16

1/3 of patients with SB carcinoid have...........;
1/4 have..............

1/3 have multiple primary sites, 1/4 have metachronous adenocarcinoma

17

chemo for carcinoid: ____, ____, ____

streptozocin, doxorubicin, 5 FU palliate

18

Fistula: less likely to heal with......................
___, ___, ___, ___, ___, ___, _____

FRIENDS: Foreign body, Radiation, IBD, Epitheliazation, Neoplasm, Distal obstruction, Sepsis/infection

19

TPN with fistulas.....
incr closure rate? (y/n) ; incr survival? (y/n)

proven to incr closure rate of fistulas, but nor shown to incr survival

20

SBO with air in biliary tree..... cause?

SBO due to gallstones (from cholecysto-enteric fistula). "gallstone ileus"

21

tx for choecysto-enteric fistula causing SBO......

remove stone to relieve sbo but leave gallbladder and fistula to decr mortality