Nobuki Shirasaki

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Nine patients who had os odontoideum with posterior atlantoaxial instability are reviewed. Three parameters were measured on the lateral radiographs: the distance from the os odontoideum to the spinous process of the axis in extension (Dext), the distance from the os odontoideum to the posterior arch of the atlas (Datl), and the degree of instability(More)
Thirty-seven patients who had enlargement of the spinal canal anteriorly and stabilization of the spine for cervical spondylotic myelopathy were followed for an average of forty-nine months (range, twenty-eight to seventy months). Myelography and computed tomographic myelography were performed preoperatively on all patients to determine the location and(More)
An esophagocutaneous fistula following anterior cervical fusion is rare. A 61-year-old man had cervical myelopathy because of ossification of the posterior longitudinal ligament of the cervical spine. Anterior decompression of the cervical spine and anterior fusion with strut bone grafting were performed. A second anterior fusion was done because the graft(More)
32 patients présentant un bloc cervical congénital ont été revus. 29 d'entre eux présentaient une fusion limitée à un seul niveau, l'un d'eux présentait une fusion sur deux niveaux et les deux derniers sur plusieurs niveaux. 18 patients présentaient une myélopathie cervicale; 5 patients présentaient des antécédents traumatiques et 13 n'en présentaient(More)
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