CT

Question 1

What lung lobes do migrating foreign bodies prefer?

Answer 1

Right middle and both caudal lung lobes

Question 2

Esophageal empyema is usually on what side of the esophagus?

Answer 2

Right side

Question 3

Where do leiomyomas like to occur?

Answer 3

94% in the cardia or gastro-oesophageal junction

Question 4

What percentage of adenocarcinomas are already mets at time of presentation?

Answer 4

74% - Regional lymph nodes

Question 5

Characteristics of leiomyomas in the stomach on CT?

Answer 5

Focal
Pedunculated
Heterogeneous contrast enhancement - Higher HU due to muscularis layer being involved and vascular

Question 6

How does lymphoma contrast enhance and why?

Answer 6

Not well but homogeneous… due to it being mostly infiltrative cellular and not a mass with angiogenesis

Question 7

Where are gastric tumors (malignant) normally located?

Answer 7

Distal

Question 8

High HU in gastric masses?

Answer 8

Adenocarcinoma
Polyp
Leiomyoma

Question 9

Gastric lymphoma vs gastric adenocarcinoma… which one has more wide range of mets to LN?

Answer 9

Lymphoma mets everywhere.

Question 10

What can you do to the stomach to better see gastric masses?

Answer 10

Inflate with air or water.

Air allows you to have endoscope exam after