21 Questions
What imaging technique has largely replaced traditional intravenous urography?
CT urography
What is the purpose of a Maximum Intensity Projection (MIP) reconstruction in CT urography?
To reconstruct the urinary system
In which condition does unilateral renal agenesis increase the incidence of extra renal abnormalities?
Cross fused renal ectopia
What is the consequence of bilateral renal agenesis in newborns?
Pulmonary hypoplasia due to oligohydramnios
What is a characteristic feature of ectopic kidneys?
Arrested cephalic migration during embryogenesis
Which imaging technique is commonly used for the diagnosis of nephrocalcinosis?
Ultrasound imaging
In a CT urogram (urography), which phase of contrast enhancement occurs 35-40 seconds after contrast injection?
Corticomedullary phase
What is the characteristic echogenicity of the cortex in a normal kidney on ultrasound imaging?
Less than the liver
What is the condition characterized by calcification in the renal parenchyma?
Nephrocalcinosis
Which imaging modality is considered to have low sensitivity and specificity in detecting urogenital abnormalities?
Abdominal x-ray
What is the recommended imaging modality for evaluation of a normal urinary bladder?
CT scan
Which phase of contrast enhancement in a CT urogram involves visualization of the urinary bladder?
Excretory phase
What is indicated by an opaque calculus seen in the kidney, ureter, or bladder on an abdominal x-ray?
Urinary stone
Which condition may present as a small kidney with a longitudinal diameter of 8 cm and chronic kidney disease?
Chronic kidney disease
What is the most common type of renal fusion anomaly?
Horseshoe Kidney
Which anomaly is associated with other anomalies in 50% of cases, such as Turner's syndrome and ureteral duplication?
Horseshoe Kidney
Which condition is considered the most common congenital anomaly of the urinary tract?
Duplication of collecting system
Which anomaly is associated with the risk of developing renal calculi and transitional cell carcinoma of the renal pelvis?
Horseshoe Kidney
Which condition can lead to reflux in the lower pole ureter and obstruction causing megaureter in the upper pole ureter?
Duplication of collecting system
What is the term used to describe calcific deposits within the kidney parenchyma?
Nephrocalcinosis
Which imaging modality is commonly used to detect nephrocalcinosis?
Ultrasound
Test your knowledge on imaging techniques for evaluating renal anatomy, congenital abnormalities, and other urogenital conditions. This quiz covers modalities such as plain abdominal x-ray, intravenous pyelogram, ultrasonography, and more.
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