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Virtual Pediatric Hospital: Paediapaedia: Ileal Atresia Paediapaedia: Gastrointestinal Diseases

Jejunal Atresia

Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed


Clinical Presentation:
Early vomiting and limited abdominal distension. Passage of meconium is limited and frequently delayed.

Etiology/Pathophysiology:
In utero vascular accident. Small bowel atresia is equally distributed between the jejunum and the ileum. Associated in 25% of cases with malrotation, volvulus, omphalocele, meconium ileus.

Pathology:
Not applicable

Imaging Findings:
Plain films demonstrate a high bowel obstruction with a few dilated loops of small bowel. An upper GI demonstrates blockage of contrast flow into the distal jejunum. An enema demonstrates a normal caliber colon.

DDX:

References:

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