PMC3881439_01
Sagittal (a) and axial (b) T2 weighted MRI scan of the lumbar spine displaying segment degeneration adjacent to a previous instrumented fusion with disc herniation as well as facet and ligamentum flavum hypertrophy.
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Imaging revealed adjacent segment degeneration with disc herniation as well as facet and ligamentum flavum hypertrophy (Figure 1).
Noncontrast CT scan of the brain displaying significant pneumocephalus exerting slight mass effect on the pons.
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A computed tomography (CT) head scan without contrast was obtained and revealed significant pneumocephalus exerting a slight mass effect on the pons (Figure 2).
CT head scan on postoperative day 2 showed resolution of the pneumocephalus.
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His diplopia resolved overnight, and a repeat CT head scan on postoperative day 2 showed resolution of the pneumocephalus (Figure 3).