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2753 Anatomy

A 4-day-old baby boy has not defecated since coming home from the hospital even though feeding has been normal without any excessive vomiting. Rectal examination reveals a normal anus, anal canal and rectum. However, a large fecal mass is found in the colon and a large release of flatus and feces followsthe rectal examination. Which of the following conditions would be suspected?

AImperforate anus
BAnal agenesis
CAnorectal agenesis
DColonic aganglionosis
Anatomy
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