PMC7098341_01
Axial view of a CT with contrast of neck showing peripherally enhancing fluid collection at the left submandibular space along with extensive gas collection extending from the left submandibular to the left parapharyngeal space.
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F1
CT of the neck revealed extensive gas and fluid collections at the left submandibular space (Fig. 1), extending throughout the parapharyngeal and submandibular spaces, and into the superficial soft tissues and carotid sheath with narrowing of the subglottic airway (Fig. 2).