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CT neck shows a left paraglottic rim enhancing low density collection with epicentre at level of hyoid bone. The collection extends cephalad to level of the left faucal tonsil and extends inferiorly to the lamina of the left thyroid cartilage.
There is extensive surrounding soft tissue oedema with effacement of left piriform sinus and laryngo-pharynx displaced to the right with airway narrowing greatest at infrahyoid level.