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Issue: December 15, 2006
Case: Urinary Retention
Taken from
Med-Challenger FM Career
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Question:
Which of the following statements is true?
Answer Options:
- Ureteral reflux usually requires surgery.
- Reflux of urine from the bladder to the ureter is more
common in adults than in children.
- Posterior urethral valves are the most common cause of
bilateral hydronephrosis in boys.
- In adults, urinary tract obstruction is usually due to
congenital anomalies not detected until adulthood.
Answer:
C
Remediation:
Posterior urethral
valves are the most common cause of bilateral hydronephrosis in
boys. Reflux of urine is more common in children and usually
spontaneously resolves as the child matures. In adults, urinary
tract obstruction is usually due to acquired defects such as
calculi, tumors, trauma, or strictures.
About the Image(s):
Image 1:
Distended Urinary Bladder
This patient complained of no bowel movement for two
days and abdominal distention. The huge mass in the pelvis is a
distended urinary bladder. Note the increased radiodensity in
the pelvis and lower abdomen due to the mass, and displacement
of bowel out of the region occupied by the mass.
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