FIGURE 5.

Contrast-enhanced computed tomography (CT) images of the neck; case two, 4 days after presentation. a) Axial CT image at the level of the submandibular glands shows fluid attenuation in the retropharyngeal space tracking laterally in the left carotid space. There is also a circumscribed low-density lesion in the left submandibular gland worrisome for abscess. b) Axial CT image at the level of the hyoid demonstrates multiple loculated fluid collections in the left submandibular gland and left carotid space in addition to fluid in the retropharyngeal space. An incidental lipoma is seen at the right posterior neck. c) Axial CT image through the level of the thyroid cartilage shows a complex air and fluid collection extending along the left carotid space into the left posterior cervical space. d) Coronally reformatted CT image demonstrates a fluid and air collection occupying the left posterior triangle.