Fig. 21
From: MRI of acute neck infections: evidence summary and pictorial review
Retropharyngeal abscesses (arrows)Â on axial (a, b) and sagittal (c, d) post-contrast T1-weighted images in two children (a and c, b and d). The first (a, c) represent a true retropharyngeal abscess as a thin collection between fascial planes, whereas the second (b, d) is a focal collection due to suppurative lymphadenitis. Image modified from ref. [8]