PMC8020188_01
(a). Cervical pretreatment radiogram shows loss of cervical lordosis with abnormal prevertebral thickening at C1 and C2 levels. Arrow shows soft tissue calcification anterior to C1 and C2 levels. (b): Lateral cervical post-treatment radiogram shows resolution of soft tissue calcification.
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F1
Due to the initial suspicion of foreign body in the throat by the Emergency Department, a cervical X-ray was performed that showed loss of cervical lordosis with an abnormal prevertebral thickening seen at C1 and C2 levels (Figure 1a). Two months later, lateral cervical radiograph and CT scans were repeated (Figures 1b, 2b and 3b), which showed resolution of retropharyngeal/prevertebral soft tissue edema with minimal residual soft tissue calcification anterior to the odontoid process.
(a). CT scan of neck (sagittal view) showing loss of cervical lordosis with soft tissue thickening at C1 and C2 levels. Arrow shows soft tissue calcification anterior to C1 and C2 levels. (b): CT scan of neck (sagittal view) showing resolution of retropharyngeal/prevertebral soft tissue edema with minimal residual soft tissue calcification anterior to C1 and C2 levels.
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F2
Then, we proceeded with computed tomography (CT) of the neck, which revealed a focal prevertebral soft tissue thickening at C1 and C2 levels measuring one cm in full thickness (Figures 2a and 3a). Two months later, lateral cervical radiograph and CT scans were repeated (Figures 1b, 2b and 3b), which showed resolution of retropharyngeal/prevertebral soft tissue edema with minimal residual soft tissue calcification anterior to the odontoid process.
(a). CT scan of neck (axial view) showing focal prevertebral soft tissue thickening at C1 and C2 levels measuring one cm in full thickness. Arrow shows soft tissue calcification anterior to C1 and C2 levels. (b): CT scan of neck (axial view) shows reduced soft tissue thickening at C1 and C2 levels measuring 0.5 cm.
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F3
Then, we proceeded with computed tomography (CT) of the neck, which revealed a focal prevertebral soft tissue thickening at C1 and C2 levels measuring one cm in full thickness (Figures 2a and 3a). Two months later, lateral cervical radiograph and CT scans were repeated (Figures 1b, 2b and 3b), which showed resolution of retropharyngeal/prevertebral soft tissue edema with minimal residual soft tissue calcification anterior to the odontoid process.