Urinary Imaging Techniques Quiz
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Questions and Answers

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?

<p>Being pregnant (C)</p> Signup and view all the answers

Which anatomical variant can be investigated using intravenous urography?

<p>&quot;C&quot;-shaped kidney (A)</p> Signup and view all the answers

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

<p>Pyramids (A)</p> Signup and view all the answers

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

<p>1-2 cm (B)</p> Signup and view all the answers

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

<p>Mal-rotation (C)</p> Signup and view all the answers

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

<p>Obstruction (C)</p> Signup and view all the answers

What is the normal shape of calices in IVP?

<p>Cupped (A)</p> Signup and view all the answers

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

<p>Persistence of fetal lobulation (D)</p> Signup and view all the answers

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

<p>'Dromedary hump' (B)</p> Signup and view all the answers

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

<p>Funnel-shaped (C)</p> Signup and view all the answers

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

<p>'Peristalsis' (B)</p> Signup and view all the answers

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

<p>To assess radiopaque shadows overlying the renal, ureteric or vesical regions, and to evaluate bone and soft tissue abnormalities (D)</p> Signup and view all the answers

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

<p>To visualize the kidneys and urinary tract (A)</p> Signup and view all the answers

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

<p>10-16 cm (A)</p> Signup and view all the answers

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

<p>The kidney with a bifid collecting system is usually larger (C)</p> Signup and view all the answers

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

<p>The right kidney is lower than the left kidney (B)</p> Signup and view all the answers

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

<p>The KUB is used to assess radiopaque shadows, while a plain abdominal radiograph is used to evaluate soft tissue structures (C)</p> Signup and view all the answers

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

<p>Evaluating renal function (D)</p> Signup and view all the answers

What is the normal size range for kidneys on ultrasound?

<p>9-12 cm (C)</p> Signup and view all the answers

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

<p>&lt; 1.5 cm (B)</p> Signup and view all the answers

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

<p>Calculating glomerular filtration rate (GFR) (A)</p> Signup and view all the answers

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

<p>Positron emission tomography (PET) scan (A)</p> Signup and view all the answers

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