GI TRACT (lecture)

Question 1

Transabdominal imaging of

Esophagogastric Junction

Answer 1

Question 2

normal stomach

Answer 2

colonic houstra

Question 3

fluid in bowel

Answer 3

CT confirming fluid in the bowel

Question 4

keyboard sign

= vavlulae conniventes

Answer 4

pseudokidney

proven lymphoma in HIV patient

Question 5

Answer 5

Question 6

Haustral Folds

there is fluid in this bowel (poop would be bright white because it is more solid)

Answer 6

vascular anatomy

Question 7

vascular anatomy

The superior mesenteric artery supplies the gut from halfway down the second part of the duodenum to the distal third of the transverse colon.

Answer 7

Question 8

Question 9

what are the layers of the bowel wall?

1) Fluid/Mucosa Interface-Innermost layer Echogenic
2) Mucosa Lamina Propria /Muscularis Mucosa-Deeper – Hypoechoic
3) Submucosa- Below the Muscle- Echogenic
4) Muscularis Propria- Deeper –Hypoechoic
5) Serosa Final Layer- Echogenic

Answer 9

you are going from inside to outer layer of the bowel

our book says:

1. mucosa: directly contacts the intraluminal contents; lined with epithelial folds; echogenic
2. submucosa: contains blood vessels & lymph channels
3. muscularis: contains circular and longitugdinal bands of fiber
4. serosa: thin, loose layer of connective tissue
5. mesothelium: covers intraperitoneal bowel loops

Question 10

Sagittal image of a fluid-filled stomach; rugae are seen along the peripheral margins of the wall

Answer 10

trans. image of stomach and rugae

Question 11

Contracted stomach after fluid has passed through the pylorus.

Answer 11

Prominent small bowel with valvulae conniventes

Question 12

When filled with a small amount of fluid (arrows), the duodenum serves as an excellent landmark for the head of the pancreas (P).A, Aorta; IVC, inferior vena cava.

Answer 12

Prominent small bowel with valvulae conniventes.

Question 13

fluid filled colon

target or bullseye sign.

Question 14

Transverse image of the left upper quadrant (LUQ) demonstrates a complex tumor in the region of the stomach that was diagnosed as leiomyoma.

Answer 14

leiomyoma of the stomach

Question 15

malignant tumors: gastric carcinoma

Answer 15

malignant tumor: lymphoma

Question 16

Malignant Tumors: Leiomyosarcoma

Answer 16

Malignant Tumors: Metastatic Disease

Question 17

the bowel is surrounded by ascitic fluid

Answer 17

trans image of prominent fluid filled loops of bowel

large intestines because we see haustra

Question 18

inflammation of the bowel deonstrates prominent dilated loops of bowel shown as circular target structures ( bulls eye) in the lower abdomen

Answer 18

inflammatory reaction of the bowel

Question 19

GI tract

Answer 19

normal appendix

Question 20

acute appendicitis

Answer 20

appendicitis

Question 21

acute appendicitis

Answer 21

acute appendicitis

Question 22

inflammed appendicitis

Question 23

appendicolith

Answer 23

appendicolith

Question 24

mucolocele

Answer 24

Question 25

Meckel Diverticulitis

Answer 25

Question 26

chrons disease

Answer 26

chrons disease w/ increased vascularity

Question 27

crohns disease

Answer 27

lymphoma

Question 28

leiomyosarcoma

Answer 28

colon cancer