Extras: Stomach, Abd Pain, Diarrhea/Constipation

Question 1

What mutation can cause Zollinger Ellison

Answer 1

MEN1

Question 2

What does GAVE stand for?

Answer 2

Gastric antral vascular ectasias

Question 3

Most common spot for duodenal ulcer

Answer 3

Anterior wall of prox duodenum

Question 4

Two possible Abs in autoimmune gastritis (type A chronic gastritis)

Answer 4

Anti-parietal cells, anti-IF

Question 5

Four main stomach cancers

Answer 5

1. Gastric adenocarcinoma (90%)
2. MALT lymphoma
3. NE carcinoma
4. GIST

Question 6

Three external signs that may point to gastric adenocarcinoma

Answer 6

1. Leser-Trelat
2. Virchow node
3. Sister Mary Joseph nodule

Question 7

Most common translocation for MALT lymphoma

Answer 7

T(11;18)(q21q21)

Question 8

Histo of MALT lymphoma

Answer 8

Dense lymphocyte infiltrates in lamina propria

Question 9

What cancer is a yellow mass w/ salt and pepper chromatin?

Answer 9

Neuroendocrine carcinoma

Question 10

100% of GIST tumors have what mutation?

Answer 10

CKIT

Question 11

What condition has Dance sign

Answer 11

Intussusception

Question 12

Presentation of acute vs chronic ischemic bowel disease

Answer 12

1. Acute: sudden onset abd pain out of proportion to tenderness, N/V, distention, bloody diarrhea
2. Chronic: pain 30 mins after eating (abd angina), possible malnutrition and WL, fear of food

Question 13

Imaging to sense ischemic bowel disease

Answer 13

CTA

Question 14

What is Technetium-99m scan used to see?

Answer 14

Meckel’s diverticulitis

Question 15

Autoimmune enteropathy: what are the Abs to?

Answer 15

Abs to goblet cells and enterocytes

Question 16

Mutation that causes microvillus inclsuion dz and abetalipoproteinemia

Answer 16

1. Microvillus inclusion: MYOB5
2. Abetalipo: MTP
   (Both AR)

Question 17

Four most common Abx that cause CDIFF diarrhea

Answer 17

1. Fluoroquinolones
2. Ampicillin
3. Clarithromycin
4. 3rd gen cephalosporins