Case Report

Prolonged Airway Obstruction after Posterior Occipitocervical Fusion: A Case Report and Literature Review

Figure 2

(Images of left column (a, d, g), middle column (b, e, h), and right column (c, f, i) are postoperatively 1 week, 4 weeks, and 9 weeks, resp.) Lateral radiograph (a, b, c) and axial image of CT at the level of C2 (d) showing disappearance (a, c, d) or decrease (b) of the middle pharyngeal space surrounded by the thickened pharyngeal wall. Reconstructed sagittal CT 1 week postoperatively (g) showing the disappearance of the middle pharyngeal space, that 4 weeks postoperatively (h) shows improvement and that 9 weeks postoperatively (i) shows deterioration. T2-weighted sagittal MR imaging 9 weeks postoperatively (f) showing enlargement of the mass lesion at C2 compared to that at 4 weeks postoperatively (e).
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(a)
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(b)
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(c)
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(d)
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(e)
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(f)
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(g)
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(h)
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(i)