Rhinolalia: an underappreciated sign of pneumomediastinum Lance R Hoover, MD, Dennis L Febinger, MD, Henry F Tripp, MD The Annals of Thoracic Surgery Volume 69, Issue 2, Pages 615-616 (February 2000) DOI: 10.1016/S0003-4975(99)01114-5
Fig 1 Computed tomographic scan at the level of the hyoid bone showing extensive cervical empheysema extending into the retropharyngeal space (white arrow). Also shown is the most cephalad extent of the patient’s pneumorachis (air in the spinal canal, black arrow). The Annals of Thoracic Surgery 2000 69, 615-616DOI: (10.1016/S0003-4975(99)01114-5)