Aldrige - Radiographic Anatomy

Question 1

When might the stomach be visible on plain x-ray?

Answer 1

If it contains air

Question 2

The ________ typically extend across the lumen of small bowel from one wall to the other

Answer 2

Valvulae conniventes

Question 3

The _______ usually do not completely transverse the entire lumen of the large bowel

Answer 3

Haustra

Question 4

Gas/air trapped w/in the peritoneal cavity but outside lumen of the bowel

Answer 4

Extraluminal air

Question 5

Most common sign of intraperitoneal air

Air rises to highest part of abd

Answer 5

Crescent sign

Question 6

Small round calcifications that represent calcified venous thrombi

Occur w/ increasing age most often in the pelvic veins of women

Classically have a lucent center which helps differentiate them from ureteral calculi w/ which phleboliths can be confused

Incidental and nonpathological

Answer 6

Phleboliths

Question 7

5 levels for liver CT evaluate (from top to bottom)

Answer 7

1. Hepatic veins
2. Left portal vein
3. Right portal vein
4. Main portal vein
5. Gallbladder/splenic vein