Question:

Which of the following imaging findings favors a diagnosis other than megacystis microcolon intestinal hypoperistalsis?
1. Diminutive colon
2. Sluggish small bowel peristaltic movement on neonatal ultrasound
3. Adynamic, dilated colon filled with meconium
4. Bilateral hydronephrosis
5. Presence of polyhydramnios on obstetric US examination





Answer:

The correct answer for the question "Which of the following imaging findings favors a diagnosis other than megacystis microcolon intestinal hypoperistalsis?" is:

3. Adynamic, dilated colon filled with meconium



Explanation
1. [Features of the syndrome include a massively enlarged urinary bladder, small colon and distended proximal bowel loops having little or no peristalsis.]

2. [Features of the syndrome include a massively enlarged urinary bladder, small colon and distended proximal bowel loops having little or no peristalsis.]

3. [Features of the syndrome include a massively enlarged urinary bladder, small colon and distended proximal bowel loops having little or no peristalsis.]

4. [Imaging may show ureteropelvicaliectasis (figures).]

5. [Prenatal imaging may show maternal polyhydramnios.]



From the manuscript:
An Unusual Urinary Tract Presentation in a Case of Megacystis Microcolon Intestinal Hypoperistalsis Syndrome
Radiology Case. 2012 Nov; 6(11):1-7


This article belongs to the Pediatric section.




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From the manuscript

An Unusual Urinary Tract Presentation in a Case of Megacystis Microcolon Intestinal Hypoperistalsis Syndrome

Free full text article: An Unusual Urinary Tract Presentation in a Case of Megacystis Microcolon Intestinal Hypoperistalsis Syndrome

Abstract
Megacystis microcolon intestinal hypoperistalsis syndrome is a rare congenital anomaly. Several pathogeneses have been described so far, but there is no single mechanism that can explain all the findings of the syndrome. Affected newborns usually present clinically in the first few days of life. The mainstay of diagnosis is a pre or a postnatal imaging evaluation using ultrasound or magnetic resonance imaging. We report an unusual urinary tract finding in a patient with the classic triads of the syndrome that was diagnosed with both pre and postnatal imaging evaluation.






References



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