PMC5523474_01
Lateral cervical spine intraoperative X-ray showing good placement of ProDisc-C (Depuy Synthes, West Chester, PA) at initial implantation
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F1
Synthes, West Chester, PA, USA) without intraoperative complications. [Figure 1]. She was seen at postoperative clinics 2 weeks and then 6 weeks after the surgery.
Lateral cervical spine X-ray showing a 4-mm anterior protrusion of the ProDisc-C (DePuy Synthes, West Chester, PA, USA) 2 months after the implantation
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F2
Cervical spine X-ray obtained on 4/16/2015 now demonstrated a 4 mm anterior protrusion of the artificial disc [Figure 2].
Intraoperative view showing separation of polyethylene core
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F3
The central polyethylene core was separated and removed [Figures 3 and 4 respectively], and then the endplates were removed with an endplate osteotome.
Intraoperative view showing the removal of polyethylene core
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F4
The central polyethylene core was separated and removed [Figures 3 and 4 respectively], and then the endplates were removed with an endplate osteotome.
Lateral cervical spine X-ray taken 3 weeks after removal of artificial disc and fusion showing good alignment and placement of the interbody fusion device and ventral plate
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F5
At 3-week follow-up she had no focal neurological deficits and all instrumentation was unchanged in position [Figure 5].