Congenital Disorders of Diaphragmatic Development

The correct answer is E.


Explanation:

In some infants, there is a weakness or partial-to-total absence of the diaphragm (often on the left) which, if sufficiently large, can permit herniation of abdominal contents into the thorax. Small defects are usually surgically correctable, but large ones may cause rapidly lethal respiratory embarrassment in the newborn.

Heterotopia (choice A) is the presence of small amounts of normal tissue in abnormal sites.
Congenital hypertrophic pyloric stenosis (choice B) can cause persistent vomiting in infancy, but does not cause herniation of intestines into the thorax.

Death in infancy due to intestinal herniation into the thorax is not related to sliding hernia (choice C).

Maldevelopment of the lungs (choice D) is a result rather than the cause of this baby's problems.

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