Fig. 4

A 39-year old female patient diagnosed C5/6 disc herniation underwent anterior C5/6 discectomy and DCI arthroplasty. Lateral radiographic image of 1-month postoperative (a) showed DCI implant was at the appropriate position. However lateral radiographic image and sagittal CT (b, c) at the final follow-up illustrated anterior migration of DCI implant with subsidence