The diagnosis and correction of a rare case of traumatic transpericardial diaphragmatic hernia is presented with spontaneous intraoperative reduction by the verification of the lesions of the left lateral wall of the pericardium, diaphragmatic pericardium, and the central tendon, with intact left hemidiaphragm. Only one such case has been published in the last thirty years.

Keywords: Transpericardial diaphragmatic hernia. Thoracic injuries