case_images: PMC5585579_01
case_images: Axial (a) and coronal (b) CT images show a hypodense retropharyngeal mass measuring -80 HU, compatible with lipoma (arrows). Thin regular septations are also seen (arrowheads).
case_images: CRIRA2017-2134362.001.jpg
case_images: PMC5585579_01_CRIRA2017-2134362.001.jpg
case_images: fig1
case_images: The mass was well defined with a few thin regular septae and did not enhance after injection of contrast material (Figures 1-2).
case_images: Sagittally reconstructed CT image shows narrowing of the airway (arrows) to a better extent.
case_images: CRIRA2017-2134362.002.jpg
case_images: PMC5585579_01_CRIRA2017-2134362.002.jpg
case_images: fig2
case_images: The mass was well defined with a few thin regular septae and did not enhance after injection of contrast material (Figures 1-2).