Renal Quiz #17 Hydronephrosis

1. A 45-year-old man presents with severe left flank pain and hematuria. Imaging studies reveal left hydronephrosis without evidence of renal calculi. The patient has a history of benign prostatic hyperplasia (BPH). Which of the following is the most likely cause of his hydronephrosis? 

Question 1 of 5

2. A 30-year-old woman presents with recurrent urinary tract infections (UTIs) and is found to have right-sided hydronephrosis on ultrasound. She has no history of kidney stones. Which of the following is the most likely underlying mechanism for her hydronephrosis? 

Question 2 of 5

3. A newborn boy is diagnosed with posterior urethral valves (PUV) following prenatal ultrasonography that showed bilateral hydronephrosis. Which of the following pathophysiologic mechanisms is most closely associated with this condition? 

Question 3 of 5

4. A 55-year-old woman with a history of chronic kidney stones presents with right-sided flank pain and nausea. An ultrasound reveals right-sided hydronephrosis. Which of the following describes the initial renal compensatory mechanism in response to this obstruction? 

Question 4 of 5

5. A 65-year-old man presents with painless gross hematuria. CT scan shows a mass in the left renal pelvis and moderate hydronephrosis. Which of the following is the most likely cause of hydronephrosis in this patient? 

Question 5 of 5


 

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