Urogenital Imaging: Renal Anatomy and Evaluation Quiz
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Questions and Answers

What imaging technique has largely replaced traditional intravenous urography?

  • X-ray urography
  • CT urography (correct)
  • Ultrasound imaging
  • MRI urogram
  • What is the purpose of a Maximum Intensity Projection (MIP) reconstruction in CT urography?

  • To illustrate vascular structures
  • To visualize soft tissue structures
  • To reconstruct the urinary system (correct)
  • To enhance bone detail
  • In which condition does unilateral renal agenesis increase the incidence of extra renal abnormalities?

  • Potter syndrome
  • Cross fused renal ectopia (correct)
  • Renal artery agenesis
  • Nephrocalcinosis
  • What is the consequence of bilateral renal agenesis in newborns?

    <p>Pulmonary hypoplasia due to oligohydramnios</p> Signup and view all the answers

    What is a characteristic feature of ectopic kidneys?

    <p>Arrested cephalic migration during embryogenesis</p> Signup and view all the answers

    Which imaging technique is commonly used for the diagnosis of nephrocalcinosis?

    <p>Ultrasound imaging</p> Signup and view all the answers

    In a CT urogram (urography), which phase of contrast enhancement occurs 35-40 seconds after contrast injection?

    <p>Corticomedullary phase</p> Signup and view all the answers

    What is the characteristic echogenicity of the cortex in a normal kidney on ultrasound imaging?

    <p>Less than the liver</p> Signup and view all the answers

    What is the condition characterized by calcification in the renal parenchyma?

    <p>Nephrocalcinosis</p> Signup and view all the answers

    Which imaging modality is considered to have low sensitivity and specificity in detecting urogenital abnormalities?

    <p>Abdominal x-ray</p> Signup and view all the answers

    What is the recommended imaging modality for evaluation of a normal urinary bladder?

    <p>CT scan</p> Signup and view all the answers

    Which phase of contrast enhancement in a CT urogram involves visualization of the urinary bladder?

    <p>Excretory phase</p> Signup and view all the answers

    What is indicated by an opaque calculus seen in the kidney, ureter, or bladder on an abdominal x-ray?

    <p>Urinary stone</p> Signup and view all the answers

    Which condition may present as a small kidney with a longitudinal diameter of 8 cm and chronic kidney disease?

    <p>Chronic kidney disease</p> Signup and view all the answers

    What is the most common type of renal fusion anomaly?

    <p>Horseshoe Kidney</p> Signup and view all the answers

    Which anomaly is associated with other anomalies in 50% of cases, such as Turner's syndrome and ureteral duplication?

    <p>Horseshoe Kidney</p> Signup and view all the answers

    Which condition is considered the most common congenital anomaly of the urinary tract?

    <p>Duplication of collecting system</p> Signup and view all the answers

    Which anomaly is associated with the risk of developing renal calculi and transitional cell carcinoma of the renal pelvis?

    <p>Horseshoe Kidney</p> Signup and view all the answers

    Which condition can lead to reflux in the lower pole ureter and obstruction causing megaureter in the upper pole ureter?

    <p>Duplication of collecting system</p> Signup and view all the answers

    What is the term used to describe calcific deposits within the kidney parenchyma?

    <p>Nephrocalcinosis</p> Signup and view all the answers

    Which imaging modality is commonly used to detect nephrocalcinosis?

    <p>Ultrasound</p> Signup and view all the answers

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