AXR AP (above left) shows a dilated bowel gas pattern. AP image from an enema (above right) shows a normal caliber colon with the descending colon being slightly smaller in diameter than the rest of the colon. Large filling defects representing meconium are seen throughout the colon. The terminal ileum was refluxed. Clinical image (below) shows a foot-long piece of meconium that was evacuated by the patient after the exam.
Pediatric Imaging 