Fig. 1
From: Pneumoperitoneum caused by tracheal rupture due to tracheotomy: a case report
Head and chest CT showing subcutaneous emphysema, mediastinal emphysema, pneumothorax, tracheal rupture, pneumoperitoneum, and gastric distention. (A) Subcutaneous emphysema in the neck. (B) Mediastinal emphysema, right-sided pneumothorax, subcutaneous emphysema in the chest wall, and tracheal rupture. (C) Free gas shadows and gastric pneumoperitoneum are visible in the abdominal cavity (arrows). CT imaging revealed extensive and punctate collections of free gas in both the intraperitoneal and retroperitoneal spaces