Checklist

Abdominal aorta

Renal arteries

Renal parenchyma

Renal pelvis

Ureters

Position (almost straight course slightly to left of midline)

Bifurcation (see below)

Diameter (see below)

No caliber irregularities

No circumscribed or segmental narrowing

Number (paired)

Accessory polar arteries

Origin from the aorta (see below)

Further distribution (anterior and posterior main branches, segmental arteries)

Diameter (see below)

No caliber irregularities (circumscribed, segmental, beaded) No pathological vessels No stretching or splaying Paired renal organs Position (see below) Size (see below) Smooth organ contours Structure

Bilateral symmetry Width

Shape of calices

Not duplicated (one per side)

Course

Other imaged • vessels (e.g., iliac • vessels, spinal arteries, superior and inferior mes-enteric arteries) Venous phase • (if documented, • e.g., inferior vena cava and renal veins)

Important Data

1

Abdominal aorta:

• Approximately 18-30 mm

2

Aortic bifurcation:

• At approximately the L4-L5 level

3

Origin of renal arteries:

• At approximately the L1-L2 level

4

Renal artery:

• Diameter approximately 4-10 mm

5

Position of superior poles of kidneys:

a Right: superior border of L1

b Left: inferior border of T12 (right kidney is lower than left

kidney by up to one vertebral body height)

6

Distance between superior renal poles:

• Approximately 10 cm (4-16 cm)

7

Distance between inferior renal poles:

• Approximately 13 cm (9-18.5 cm)

8

Renal dimensions:

• Craniocaudal: 8-13 cm (<1.5 cm craniocaudal difference in

renal sizes)

Renal cortical thickness:

• 4-5 mm

Time to corticomedullary equilibrium:

• 1 minute

Diameter (see below)

No obstruction of urinary drainage

Course

Caliber (see below)

Course

Caliber (see below)

9 Contrast excretion into the pyelocaliceal system:

10 Width of ureter:

• Transverse diameter up to 2.5 cm

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