Chapter 114 : Perinatal Urology

chapter-114-perinatal-urology

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A 34-week female fetus has normal amniotic fluid and unilateral upper pole hydroureteronephrosis with no evidence of an intravesical ureterocele. What does this most likely represent?

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Which of the following statements are TRUE?

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A 37-week-old fetus with a previously normal ultrasound examination has a newly diagnosed enlarged left kidney with loss of corticomedullary differentiation, echogenic streaks, branching hyperechoic vessels, and a calcified intramural inferior vena caval plaque. What is the most likely diagnosis?

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A 31-week male fetus has a thick-walled dilated bladder, dilated posterior urethra, unilateral severe hydroureteronephrosis, and late-onset oligohydramnios (>29 weeks). There are no other ultrasound findings. Serial bladder taps have been performed with the latest indices: sodium 90 mEq/L (previous 115 mEq/L), chloride 100 mEq/L (previous 120 mEq/L), and osmolality 190 mOsm/kg (previous 225 mOsm/kg). The next step is:

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In which scenario is in-utero decompression by shunt most reasonable?

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To best distinguish between severe unilateral hydronephrosis and a multicystic dysplastic kidney (MCDK), which of the following best represents an MCDK?

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A 28-week fetus has bilaterally enlarged echogenic kidneys without renal cysts, hepatobiliary dilatation, and severe oligohydramnios. These findings suggest which diagnosis?

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A 2-month-old male infant with an antenatal history of left moderate to severe hydronephrosis has a postnatal ultrasound evaluation at 24 hours of life demonstrating mild hydronephrosis. Follow-up ultrasonography at 2 months demonstrates left severe hydronephrosis. This can be explained by:

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Prenatal imaging findings that are consistent with bladder exstrophy include all of the following EXCEPT:

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Cloacal exstrophy is most likely in the differential diagnosis when fetal ultrasonography and/or magnetic resonance imaging identify:

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A 46,XX karyotype, cystic pelvic mass, bilateral hydroureteronephrosis, and the presence of ascites in a fetus are findings and characteristics most consistent with the diagnosis of:

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Chapter 114 : Perinatal Urology

Question 1 of 1

Time Left

A 34-week female fetus has normal amniotic fluid and unilateral upper pole hydroureteronephrosis with no evidence of an intravesical ureterocele. What does this most likely represent?

Select the correct answer(s).

(0/0)

Which of the following statements are TRUE?

Select the correct answer(s).

(0/0)

A 37-week-old fetus with a previously normal ultrasound examination has a newly diagnosed enlarged left kidney with loss of corticomedullary differentiation, echogenic streaks, branching hyperechoic vessels, and a calcified intramural inferior vena caval plaque. What is the most likely diagnosis?

Select the correct answer(s).

(0/0)

Select the correct answer(s).

(0/0)

In which scenario is in-utero decompression by shunt most reasonable?

Select the correct answer(s).

(0/0)

To best distinguish between severe unilateral hydronephrosis and a multicystic dysplastic kidney (MCDK), which of the following best represents an MCDK?

Select the correct answer(s).

(0/0)

A 28-week fetus has bilaterally enlarged echogenic kidneys without renal cysts, hepatobiliary dilatation, and severe oligohydramnios. These findings suggest which diagnosis?

Select the correct answer(s).

(0/0)

A 2-month-old male infant with an antenatal history of left moderate to severe hydronephrosis has a postnatal ultrasound evaluation at 24 hours of life demonstrating mild hydronephrosis. Follow-up ultrasonography at 2 months demonstrates left severe hydronephrosis. This can be explained by:

Select the correct answer(s).

(0/0)

Prenatal imaging findings that are consistent with bladder exstrophy include all of the following EXCEPT:

Select the correct answer(s).

(0/0)

Cloacal exstrophy is most likely in the differential diagnosis when fetal ultrasonography and/or magnetic resonance imaging identify:

Select the correct answer(s).

(0/0)

A 46,XX karyotype, cystic pelvic mass, bilateral hydroureteronephrosis, and the presence of ascites in a fetus are findings and characteristics most consistent with the diagnosis of:

Select the correct answer(s).

(0/0)

Which of the following statement(s) regarding the identification of a solid renal mass on fetal imaging is/are FALSE?

Select the correct answer(s).

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