3.5.1 Conventional Radiology

Question 1

What are the arrows pointing at? What’s the dx?

Answer 1

Air; Pneumoperitoneum secondary to bowel perforation

Question 2

Identify these yellow lines

Answer 2

Liver, spleen, kidneys, psoas muscles

Question 3

What is the nickname of the frontal abdominal radiograph?

Answer 3

KUB - Kidneys, Ureters, and Bladder

Question 4

What is this?

Answer 4

Normal gas pattern

Question 5

Name the parts of the small bowel

Answer 5

L: Ileum

R: Jejunum

Question 6

What is this?

Answer 6

Normal abdominal radiograph

Question 7

What type of image?

Answer 7

Upright

Question 8

What is this gas pattern?

Answer 8

Normal

Question 9

What are the 5 basic film densities?

Answer 9

Air, Fat, Water, Bone, Metal

Question 10

Which is which?

Answer 10

L: ERCP

R: MRCP

Question 11

What does the upright view allow for?

Answer 11

Vizualization of free gas and of the lung bases

Question 12

What’s the dx?

Answer 12

Small bowel malrotation

Question 13

What type of contrast study?

Answer 13

Esophagram

Question 14

When would a gastroenterologist use MRCP rather than ERCP?

Answer 14

When no intervention is planned. MRCP is the superior was to evaluate the biliary tree and pancreatic duct

Why - no sedation, no ionizing radiation, no complications

Question 15

What is the gas pattern on right?

Answer 15

Small bowel gas leak in supine view.

Notice thin lines: the linchae cicularis

Question 16

What is this gas pattern on the right?

Answer 16

R: Free intraperitoneal gas, pneumoperitoneum

Question 17

Answer the question? What’s the dx?

Answer 17

Bone; Renal calculus

Question 18

What type of KUB?

Answer 18

Supine

Question 19

Name these features of the colon shown on via barium enema

Answer 19

Question 20

Vizualization of lung bases is associated with what type of KUB?

Answer 20

Upright

Question 21

What is this?

Answer 21

Normal gas patterns

Left: Upright

Right: Supine

Question 22

Identify the structures

Answer 22

Question 23

Where is intraluminal gas most commonly found?

Answer 23

Stomach, most segments of the colon

Question 24

What is the most common question we answer by ordering a KUB?

Answer 24

Is there a bowel obstruction?

(by looking at boel gas pattern)

Question 25

Identify these features of the stomach

Answer 25

Question 26

What type of imaging is used to aquire this image?

Answer 26

ERCP

Question 27

What are some of the common contrast studies?

Answer 27

Esophogram, Upper GI Series, Upper GI Series with small bowel follow-through, Barium enema

Question 28

What is ERCP?

Answer 28

Endoscopic retrograde cholangiopancreatography - gastroenterologist runs a fiber optic scope down the throat and into the 2nd portion of the duodenum. Then cannulates the duodenal papilla and injects the contrast material

Question 29

What are these features of the duodenum?

Answer 29