Vomiting-induced pharyngeal perforation during bowel preparation for colonoscopy: A case report

Figure 3 Serial chest radiographs. A: Chest radiograph taken upon admission showed no abnormalities; B: Chest radiograph obtained after forceful vomiting during bowel preparation showed extensive subcutaneous emphysema in the neck (orange arrow) and widening of the mediastinum, suggestive of pneumomediastinum; C: Chest radiograph taken 6 d after pharyngeal perforation showed resolution of subcutaneous emphysema.