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The Egyptian Journal of Otolaryngology
Fig. 6 | The Egyptian Journal of Otolaryngology

Fig. 6

From: Biphasic CT imaging of deep neck infections (DNIs): how does dual injection mode helps in differentiation between types of collections?

Fig. 6

Axial images of a 17-year-old male patient. Axial images at different levels (a and b) reveal left-sided suppurative retropharyngeal node showing unilateral location, rounded configuration, and rim sign of intra-nodal abscess. This is easily differentiated from midline minimal retropharyngeal edema (not abscess) showing clear fluid attenuation and absence of rim sign

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