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Although ceramic fractures have been reported following total hip arthroplasty1-6, with an incidence ranging from 0.004% to 1.4%1-3, no cases of ceramic fracture following cervical disc arthroplasty have been reported, to our knowledge. We present the case of a patient with cervical radiculopathy who underwent total disc replacement at C5-C6 and C6-C7, which was complicated by the development of recurrent symptoms approximately one month after the index procedure. At the time of the revision surgery, the ceramic insert at the C6-C7 level was found to be fractured on its convex cranial side. The implant used was a semiconstrained ceramic-on-ceramic prosthesis (Discocerv Cervidisc Evolution; Scient'x, Guyancourt, France). Since the introduction of this prosthesis in April 20067, more than 2000 prostheses have been implanted. The patient was informed that data concerning the case would be submitted for publication, and he gave his consent.A fifty-five-year-old man presented with recurrent neck pain with radiation to the right upper extremity as well as right upper-extremity weakness and muscle atrophy. The pain was rated as 8 on a visual analogue scale (VAS) ranging from 0 to 10. The radiating pain was most prominent in the posterolateral part of the arm and forearm and the dorsal part of the hand. The patient had no pain in the thumb or fingers. The Neck Disability Index (NDI) score8 was 36%. Three months prior to presentation at our facility, the patient had undergone cervical disc arthroplasty at another institution with use of ceramic-on-ceramic prostheses at C5-C6 and C6-C7 for cervical spondylotic radiculopathy. This type of implant is a semiconstrained prosthesis composed of two parts, which allow spherical motion in a ball-and-socket joint design. It includes a spherical convex head on the cranial insert and a spherical concave cup …

Ceramic Fracture Following Cervical Disc Arthroplasty