Treatment of primary intraspinal canal tumors with modiifed replantation of the spinous process and lamina complex
KE Rong-jun
XU Fu-sheng
CHEN Jian-min
LIU Fang-gang
QI Wei
CAO Hua
LIU Jing
GU Yong-fu
Abstract：Objective To investigate the surgical outcomes in the treatment of primary intraspinal canal tumors with modiifed replantation of the spinous process and lamina complex.Methods From January 2010 to January 2013, 24 patients with primary intraspinal canal tumors were included in this retrospective study. During the operation, bilateral vertebral plates were removed by a mini electric saw, with bilateral facet joints reserved. The supraspinal and interspinal ligaments were cut off, and were temporarily fixed on one side. After the resection of intraspinal tumors under the microscope, the spinous process and lamina complex was replanted in situ and was ifxed by titanium miniplates. Postoperative imaging examination and Japanese orthopaedic association ( JOA ) scoring system were used to evaluate the clinical outcomes.Results The tumors in all the patients were successfully resected without complications such as cerebrospinal lfuid leakage or obstinate low back pain. In each case, the ifxation by titanium miniplates was stable and a solid fusion was achieved. No collapse of the replanted lamina was observed. The JOA score was increased from ( 11±2.6 ) points preoperatively to ( 24±3.3 ) points at 2 years after the operation, and the differences were statistically signiifcant (P<0.05 ). The postoperative excellent and good rate was 83.3%.Conclusions The modiifed replantation of the spinous process and lamina complex in the surgical treatment of primary intraspinal canal tumors is safe and effective. This simple method can reconstruct the anatomic structure of the spine and maintain the spinal stability.
Keywords：Spinal cord neoplasmsLumbar vertebraeSpinal canalSurgical proceduresoperativeMicrosurgerySpinous process and lamina complex
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 561-563 )