Figure 1. (a) Cervical MRI performed on postoperative day 1. Low signal intensity area existed in the third cervical vertebra (arrowheads). (b) Neck X-ray taken on postoperative day 1. The third cervical vertebra was collapsed (arrowhead). (c) Cervical spine X-ray taken 7 months after the initiation of neck lesion treatment. Osteosclerosis appeared in the third cervical vertebra (arrowhead). MRI: magnetic resonance imaging.