Exam 1 Review Sessions

Question 1

Location of esophageal adenocarcinoma

Answer 1

lower 1/3 of esophagus

Question 2

Location of esophageal squamous cell carcinoma

Answer 2

Upper 2/3 of esophagus

Question 3

Worldwide prevalence of esophageal cancer

Answer 3

Squamous more common than adeno (reverse in U.S. )

Question 4

Conditions that affect the body of the stomach

Answer 4

Autoimmune gastritis

Question 5

Conditions that affect the antrum of the stomach

Answer 5

h pylori, nsaid induced gastritis, etoh induced gastritis, bile reflux induced gastritis

Question 6

polyps likely to progress to malignancy

Answer 6

sessile serrated, adenomatous villous, juvenile sporadic hamartomas

Question 7

Atypical manifestations celiac

Answer 7

Anemia, dental enamel, infertility, arthritis

Question 8

Diagnostic tests for celiac

Answer 8

IgA to TTG or enomysium RULE OUT IgA deficiency or test is USELESS

Question 9

Patient presents with malabsorption and lymphadenopathy, what dis to consider?

Answer 9

Whipple

Question 10

Organism that causes gastroenteritis that is also associated with renal failure

Answer 10

EHEC

Question 11

H pylori is associated with what 4 conditions: PUD, gastritis…

Answer 11

MALT lymphoma, gastricadenocarcinoma

Question 12

GIST is associated with what mutation

Answer 12

CD 117

Question 13

High levels of folate and decreased levels of b12 would make you think of:

Answer 13

small bowel bacterial overgrowth

Question 14

What percentage of Barrett’s esophagus develops into adenocarcinoma

Answer 14

1-5%

Question 15

EGD: salmon pink, velvety mucosa

Answer 15

Barrett’s esophagus

Question 16

DDx of dysphagia

Answer 16

stricture, malignancy

Question 17

What landmark distinguishes an upper from a lower GI bleed

Answer 17

Ligament of Treitz (D-J junction)

Question 18

Curling ulcer found in

Answer 18

burn patients

Question 19

cushing ulcer found in

Answer 19

head injury patients

Question 20

DDx of Gastric ulcer

Answer 20

1. h pylori (most common worldwide)
2. NSAID (most common in US)
3. Malignancy
4. Severe Stress
   Less common: Zollinger-Ellison, Cushing, Curling

Question 21

Toxin that mediates damage in h pylroi infection

Answer 21

CAG-A

Question 22

H pylori Tx:

Answer 22

Triple or quadruple therapy

1. PPI
2. Amoxicillin, clarithromycin, metronidazole
3. bismuth

Question 23

On histology: thickened subepithelial collagen layer

Answer 23

microscopic colitis: Collagenous

Question 24

On histology: intraepithelial lymphocytic inflammation

Answer 24

microscopic colitis: lymphocytic