1. Gas in the retropharyngeal space: descending necrotising mediastinitis
Dr Kenta Watanabe, MD, Yuki Kimura, MD, Tetsuya Obara, MD 
The Lancet 
Volume 384, Issue 9958, (November 2014)
DOI: /S (14)
Copyright © 2014 Elsevier Ltd Terms and Conditions

2. Figure Gas in the retropharyngeal space
(A) Plain cervical radiograph shows gas in the retropharyngeal space (arrows). (B) CT shows a large abscess between the pharyngoesophagus and prevertebral muscles extending from the upper neck region to the lower mediastinum.
The Lancet  , DOI: ( /S (14) )
Copyright © 2014 Elsevier Ltd Terms and Conditions