A 3180-g female infant was admitted at 1 day of age. She was born at home to a 20-year-old, gravida 4 mother. The infant did well immediately after birth, but by several hours of age, a distended abdomen had developed.
On admission to the hospital there was no history of vomiting or respiratory distress. The patient had not passed meconium after birth. Physical examination demonstrated obvious abdominal distention but no masses or organomegaly. The lungs were clear. Results of the physical examination were otherwise unremarkable. Laboratory data were within normal limits. Roentgenograms of the abdomen were obtained (Fig 1).
Denouement and Discussion Atresia of the Colon
Fig 1.—Supine roentgenogram of abdomen demonstrates multiple dilated bowel loops not identifiable as large or small bowel. Appearance of fine linear lucencies in right upper quadrant and left lower quadrant indicates meconium mixed with gas (arrow). This appearance