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FIG 1. Serial axial CT images.
A, Initial axial CT scan shows lesion with gas attenuation (-900 HU) in C5 vertebral body.
B, Axial CT scan obtained 2 months after initial presentation shows enlarged lesion in C5 vertebral body.
C, Axial CT scan obtained 16 months after initial presentation shows further enlarged lesion in C5 vertebral body.
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