Table 1.

Differences between multiple intestinal atresia and hereditary multiple intestinal atresia

	Multiple intestinal atresia	Hereditary multiple intestinal atresia
Site	Small/large bowel	Widespread, small/large bowel
Abdominal calcifications	No	Homogenous, large, round/oval, intraluminal
Biliary duct dilatation	Can be present	Can be present
Combined immunodeficiency	No	Yes
Mortality	Low-moderate, depending on case	High
Genetic defect	Not known	Purported TTC7A gene