• S Y Lin, H J Wu, and S H Chien.
• Department of Orthopedic Surgery, Kaohsiung Medical College, Taiwan, Republic of China.
• Gaoxiong Yi Xue Ke Xue Za Zhi. 1990 Aug 1;6(8):454-60.

AbstractIt is well known that severe flexion deformities of the spine may occur in patients suffering from ankylosing spondylitis. The prevention of these deformities by early recognition of the disease process should be the main aim of the medical profession in handling patients with specific spinal involvements. Yet, we still see all too often patients with advanced kyphotic deformities of the trunk who are very grossly disabled and thus present a major problem to definitive surgical correction of their deformities. Correction of rigid kyphosis by establishing a compensatory lordosis can be carried out in the lumbar or cervical area. Surgical intervention in the cervical region enables the chin to be lifted off the sternum, but great care has to be taken of the relatively bulky spinal cord, which practically fills the spinal canal. Excessive correction runs the risks of fatally damaging the nerves and vertebral vessels. Therefore, most centers perform correction osteotomies of the cervical spine progressively, with day-by-day adjustment of the external fixators. We present a case of cervical osteotomy in which, under local anesthesia and with the aid of S.S.E.P., cervical kyphosis was corrected by a one-stage procedure. The results and difficulties are described here-in.

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