1) Kawahara N, Tomita K, Murakami H, et al:Circumspinal decompression with dekyphosis stabilization for thoracic myelopathy due to ossification of the posterior longitudinal ligament. Spine 33:39-46, 2008
2) Matsumoto M, Chiba K, Toyama Y, et al:Surgical results and related factors for ossification of posterior longitudinal ligament of the thoracic spine:a multi-institutional retrospective study. Spine 33:1034-1041, 2008
3) Matsuyama Y, Yoshihara H, Ishiguro N, et al:Surgical outcome of ossification of the posterior longitudinal ligament (OPLL) of the thoracic spine:implication of the type of ossification and surgical options. J Spinal Disord Tech 18:492-497, 2005
4) 大塚訓喜:胸椎部ミエロパチーに対する後方進入脊髄前方除圧術の術式と成績.臨整外31:547-552,1996
5) Shinomiya K, Furuya K, Sato R, et al:Electrophysiologic diagnosis of cervical OPLL myelopathy using evoked spinal cord potentials. Spine 13:1225-1233, 1988
6) Tani T, Ishida K, Yamamoto H, et al:Intraoperative electroneurography in the assessment of the level of operation for cervical spondylotic myelopathy in the elderly. J Bone Joint Surg Br 82:269-274, 2000
7) Tokuhashi Y, Matsuzaki H, Oda H, et al:Effectiveness of posterior decompression for patients with ossification of the posterior longitudinal ligament in the thoracic spine:usefulness of the ossification-kyphosis angle on MRI. Spine 31:E26-30, 2006