Urinary Imaging Techniques Quiz

Play an AI-generated podcast conversation about this lesson

What is the central echogenic area in a normal renal ultrasound composed of?

Renal sinus (correct)

Perirenal fat

Blood vessels

Renal parenchyma

What is the main reason intravenous pyelography (IVP) is largely replaced by CT urography?

Reduced radiation exposure

Lower cost

Higher resolution images (correct)

Faster procedure

Which condition is NOT an indication for intravenous urography (IVU)?

Investigation of renal calculi

Detailed demonstration of liver parenchyma (correct)

Suspected ureteric colic

Investigation of hematuria

What should be avoided before undergoing intravenous urography (IVU) due to contraindications?

Being pregnant Signup and view all the answers

Which anatomical variant can be investigated using intravenous urography?

"C"-shaped kidney Signup and view all the answers

Which structure appears as triangular structures of low echo texture in a normal renal ultrasound?

Pyramids Signup and view all the answers

What is the normal range for renal cortex measurement in IVP?

1-2 cm Signup and view all the answers

Which abnormal kidney position may lead to an abnormal renal axis?

Mal-rotation Signup and view all the answers

In IVP, what can cause dilated calyces to appear clubbed in shape?

Obstruction Signup and view all the answers

What is the normal shape of calices in IVP?

Cupped Signup and view all the answers

What may cause minor indentation in the renal cortex as seen in IVP?

Persistence of fetal lobulation Signup and view all the answers

What can cause a bulge of the renal outline known as the 'splenic hump' in IVP?

'Dromedary hump' Signup and view all the answers

What is the normal shape of the renal pelvis in IVP?

Funnel-shaped Signup and view all the answers

Why might only a portion of the ureter be visible in an IVP?

'Peristalsis' Signup and view all the answers

What is the purpose of the KUB (Kidney, Ureter, Bladder) plain film?

To assess radiopaque shadows overlying the renal, ureteric or vesical regions, and to evaluate bone and soft tissue abnormalities Signup and view all the answers

What is the purpose of administering intravenous iodinated contrast media during an IVP (Intravenous Pyelogram)?

To visualize the kidneys and urinary tract Signup and view all the answers

What is the normal length of the kidney as measured on an IVU (Intravenous Urogram)?

10-16 cm Signup and view all the answers

What is the reason for the difference in size between the kidneys on an IVU?

The kidney with a bifid collecting system is usually larger Signup and view all the answers

How does the position of the right kidney compare to the left kidney on an IVU?

The right kidney is lower than the left kidney Signup and view all the answers

What is the primary difference between a KUB (Kidney, Ureter, Bladder) plain film and a plain abdominal radiograph?

The KUB is used to assess radiopaque shadows, while a plain abdominal radiograph is used to evaluate soft tissue structures Signup and view all the answers

Which of the following is NOT an indication for ultrasound in the urinary system?

Evaluating renal function Signup and view all the answers

What is the normal size range for kidneys on ultrasound?

9-12 cm Signup and view all the answers

What is the maximum acceptable difference in size between the two kidneys on ultrasound?

< 1.5 cm Signup and view all the answers

Which of the following is NOT a use of ultrasound in the urinary system?

Calculating glomerular filtration rate (GFR) Signup and view all the answers

Which of the following techniques is NOT used for assessment of the urinary system?

Positron emission tomography (PET) scan Signup and view all the answers