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KMID : 1001920230660050591
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Journal of Korean Neurosurgical Society
2023 Volume.66 No. 5 p.591 ~ p.597
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Cervical Myelopathy Induced by Posterior Vertebral Body Osteolysis after Cervical Disc Arthroplasty
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Choi Man-Kyu
Lee Jun-Ho
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Abstract
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Journal of Korean Neurosurgical Society > Volume 66(5); 2023 > Article
Case Report
Spine
Journal of Korean Neurosurgical Society 2023; 66(5): 591-597.
Published online: March 21, 2023
DOI: https://doi.org/10.3340/jkns.2022.0190
Cervical Myelopathy Induced by Posterior Vertebral Body Osteolysis after Cervical Disc Arthroplasty
Man Kyu Choi, Jun Ho Lee
Department of Neurosurgery, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Korea
Address for correspondence : Jun Ho Lee Department of Neurosurgery, Kyung Hee University Hospital, Kyung Hee University College of Medicine, 23 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea Tel : +82-2-958-8405, Fax : +82-2-958-8380, E-mail : moo9924@khu.ac.kr
Received: August 22, 2022 Revised: November 22, 2022 Accepted: January 4, 2023
Copyright ⓒ 2023 The Korean Neurosurgical Society
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Cervical disc arthroplasty (CDA) has become more widespread and diverges from the conventional technique used in anterior cervical fusion for cervical degenerative disc disease. As arthroplasty has become a popular treatment option, few complications have been reported in the literature. These include subsidence, expulsion, posterior avulsion fractures, heterotopic ossification, and osteolysis. One of the critical complications is osteolysis, but current studies on this subject are limited in terms of not elucidating the incidence, etiology, and consequences. The authors present two cases, who presented with clinical signs of gradually worsening myelopathy induced by posterior vertebral body osteolysis, 2 years after CDA. Subsequently, the patient underwent posterior decompression and fusion without prosthesis removal. Postoperatively, the clinical symptoms gradually resolved, with no severe deficits. The present rare cases highlight the osteolysis that occurs after CDA, which can cause cervical myelopathy, and suggest spine surgeons to be alert to this fatal complication.
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KEYWORD
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Arthroplasty, Cervical vertebrae, Myelopathy, Osteolysis
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