PMC7677656_01
Contrast-enhanced computed tomography images of the neck.. A widespread hematoma and anterior airway displacement were observed in the retropharynx with leakage of the contrast medium in coronal (A), sagittal (B), and transverse (D) plane. The arrows indicate the leakage of the contrast medium. Cervical fracture was also noted (C).
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This hematoma compressed the hypopharynx and larynx, which may have caused dyspnea (Fig. 1).
Angiographic images of the neck in side and front view. Each arrow points to the extravasation of the contrast medium from the ascending cervical artery.
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The right thyrocervical trunk, which is the upstream blood vessel from the branch, was embolized with coil (Fig. 2).