Perforated gastric ulcer causing mediastinal emphysema: A case report

Figure 2 Computed tomography. A and D: Preoperative computed tomography (CT) showed striated and cast areas without lung texture along the fascial space in the mediastinum and both chest walls. Gas is visible around the esophagus (orange arrow). The blue arrow indicates the gastric tube; B and E: CT on the first postoperative day showed significant reduction of original mediastinal emphysema and chest wall emphysema after surgical treatment; C and F: CT on the sixth postoperative day showed that original mediastinal emphysema and chest wall emphysema largely disappeared.