Ed 11 Chapter 141 : Posterior Urethral Valves and Urethral Anomalies

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Question 1 of 1

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A newborn infant with a history of antenatal hydronephrosis and oligohydramnios is evaluated with a renal/bladder ultrasound and voiding cystourethrogram. All of the following are characteristic findings of posterior urethral valves EXCEPT:

Select the correct answer(s).

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A 6-month-old child with a history of posterior urethral valves has a serum creatinine of 1.4 mg/dL. He has a dilated, thick-walled bladder and hydroureteronephrosis on sonography and evidence of dilating vesicoureteral reflux with no remnant valves on voiding cystourethrography. Which of the following BEST explains the renal impairment noted in this child?

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A newborn diagnosed with posterior urethral valves is noted on voiding cystourethrogram (VCUG) to have unilateral high-grade vesicoureteral reflux into the right kidney that has no measurable renal function on nuclear renography. The left kidney displays normal uptake and excretion of nuclear tracer. Which of the following best characterizes this boy's renal status?

Select the correct answer(s).

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All of the following findings on antenatal imaging should raise suspicion of posterior urethral valves EXCEPT:

Select the correct answer(s).

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The most common cause of early neonatal mortality in a baby affected by posterior urethral valves is:

Select the correct answer(s).

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A 3-year-old boy presents with urinary incontinence, stranguria, and occasional afebrile urinary tract infections. A renal ultrasound reveals moderate bilateral hydroureteronephrosis. The best next step in management is:

Select the correct answer(s).

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Fetal intervention for obstructive uropathy secondary to posterior urethral valves has been shown to:

Select the correct answer(s).

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A premature neonate with a weight of 2500 g with impaired renal function and bilateral hydroureteronephrosis (right greater than left) is diagnosed with posterior urethral valves. After 1 week of bladder catheterization, a plan is made to proceed to the operating room for valve ablation. Cystoscopy is precluded by the small genitalia. Which of the following is the preferred initial surgical option?

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A 4-year-old boy with a history of ablation of posterior urethral valves in infancy is volitionally voiding with no incontinence, stable renal function, and no urinary tract infections. He has high-grade vesicoureteric reflux on the left side with stable hydroureteronephrosis that has not changed since infancy. What is the best management for this child?

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In cases of posterior urethral valves, the bladder transitions through three contractility patterns in childhood. Which is the correct order for the changes in bladder contractility?

Select the correct answer(s).

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All of the following are associated with the development of the valve bladder syndrome EXCEPT:

Select the correct answer(s).

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child with a history of posterior urethral valve ablation suffers renal impairment and, ultimately, progresses to end stage renal disease. All of the factors below likely characterized his clinical course, EXCEPT:

Select the correct answer(s).

(0/0)

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A 13-year-old boy with a history of posterior urethral valves progresses to endstage renal disease and is a candidate for renal transplant. Of the complications listed, which one may be most likely to occur in a child with a history of posterior urethral valves?

Ed 11 Chapter 141 : Posterior Urethral Valves and Urethral Anomalies

Question 1 of 1

Time Left

A newborn infant with a history of antenatal hydronephrosis and oligohydramnios is evaluated with a renal/bladder ultrasound and voiding cystourethrogram. All of the following are characteristic findings of posterior urethral valves EXCEPT:

Select the correct answer(s).

(0/0)

Select the correct answer(s).

(0/0)

Select the correct answer(s).

(0/0)

All of the following findings on antenatal imaging should raise suspicion of posterior urethral valves EXCEPT:

Select the correct answer(s).

(0/0)

The most common cause of early neonatal mortality in a baby affected by posterior urethral valves is:

Select the correct answer(s).

(0/0)

A 3-year-old boy presents with urinary incontinence, stranguria, and occasional afebrile urinary tract infections. A renal ultrasound reveals moderate bilateral hydroureteronephrosis. The best next step in management is:

Select the correct answer(s).

(0/0)

Fetal intervention for obstructive uropathy secondary to posterior urethral valves has been shown to:

Select the correct answer(s).

(0/0)

Select the correct answer(s).

(0/0)

Select the correct answer(s).

(0/0)

In cases of posterior urethral valves, the bladder transitions through three contractility patterns in childhood. Which is the correct order for the changes in bladder contractility?

Select the correct answer(s).

(0/0)

All of the following are associated with the development of the valve bladder syndrome EXCEPT:

Select the correct answer(s).

(0/0)

child with a history of posterior urethral valve ablation suffers renal impairment and, ultimately, progresses to end stage renal disease. All of the factors below likely characterized his clinical course, EXCEPT:

Select the correct answer(s).

(0/0)

A 13-year-old boy with a history of posterior urethral valves progresses to endstage renal disease and is a candidate for renal transplant. Of the complications listed, which one may be most likely to occur in a child with a history of posterior urethral valves?

Select the correct answer(s).

(0/0)

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