Pediatric Radiology > Abdominal > Lower GI > Colonic Atresia


Colonic Atresia

· Rare; likely secondary to in utero ischemic event
· Treatment: surgical


Radiographic features
· Abdominal film: distal obstruction often with "frothy" appearance of air mixed with meconium in RLQ
· Enema: small caliber distal unused colon; no filling proximal to atretic segment

Frothy appearance in RLQ Microcolon
Multiple dilated loops of bowel with frothy appearance in RLQ Microcolon with abrupt cutoff in mid-transverse colon




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