Toddler whose gastrostomy tube was just replaced with difficulty Pediatric Imaging Gastrointestinal May 4, 2025February 20, 2025 AP (left) and lateral (right) images after the injection of water soluble contrast through the gastrostomy tube show the injected contrast is not in the stomach but is outlining the haustra of the colon. The diagnosis was gastrostomy tube malposition with the tip of the gastrostomy tube in the retoperitoneum. Related Published May 4, 2025February 20, 2025