Premature newborn now 9 months old with abdominal distension

AXR of pneumatosis intestinalis of the colon
AXR AP (above) shows curvilinear air throughout the wall of the colon from the cecum to the rectosigmoid colon which is also appreciated on the AXR left lateral decubitus (below). There was no free air or portal venous gas.

The diagnosis was pneumatosis intestinalis of the colon of unknown etiology.