Pathoma 10.5 Small Bowel Flashcards Preview

► Med Misc 13 > Pathoma 10.5 Small Bowel > Flashcards

Flashcards in Pathoma 10.5 Small Bowel Deck (12):
1

Give the dx: Congenital failure of small bowel to canalize - duodenum is ending in a blind loop; Polyhydraminos; "Double bubble" sign; Bilious vomiting

Duodenal Atresia

2

Duodenal Atresia is commonly associated with:

Down Syndrome

3

Dx: Outpouching of all three layers of bowel wall; Arises due to failure of vitelline duct to involute

Meckel Diverticulum

4

Volvulus is found in the elderly in:

sigmoid colon

5

Volvulus is found in the young in:

Cecum

6

Genetic mutation associated with Celiac disease:

HLA DQ2 and DQ8

7

Where is the villous damage in tropical sprue?

Most prominent in the jejunum and ileum (in celiac, damage is in duodenum); Respond to antibiotic tx

8

Folic acid is mostly reabsorbed in

Jejunum

9

Apolipoprotein B-48 dies:

makes chylomicrons (no chylomicrons --> malabsorption) seen in Abetalipoproteinemia

10

Apolipoprotein B-100 function

make VLDL and LDL

11

Neuroendocrine tumors such as carcinoid tumors are positive for:

Chromogranin

12

In carcinoid syndrome, why does only the right heart develop fibrosis?

Because the serotonin in the circulation goes to the lung and is converted to 5-HIAA by monoamine oxidase which is nontoxic to the heart