Figure 1From: Cervical necrotising fasciitis and descending mediastinitis secondary to unilateral tonsillitis: a case reportSagittal reconstruction of CT of the neck and upper mediastinum; extensive soft tissue abnormality (swelling and surgical emphysema) in the retropharynx with loss of normal fat plane with the prevertebral space and possible communication with the oropharynx. Air (arrows) is also present in the pretracheal tissue and extends into the upper mediastinum.Back to article page