Postoperative 320 multi-slice computed tomography in assessment of pedicle screw insertion in thoraco-lumbar fixation

被引：0
|
作者：
Salama, Alsiagy A. [1 ]
Amin, Mohamed A. [1 ]
Soliman, Ahmed Y. [2 ]
El-Tantaway, Ahmed [3 ]
机构：
[1] Tanta Univ, Fac Med, Diagnost Radiol & Imaging Dept, Tanta 31527, Egypt
[2] Tanta Univ, Fac Med, Neurosurg Dept, Tanta, Egypt
[3] Tanta Univ, Fac Med, Orthoped Surg Dept, Tanta, Egypt
来源：
EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE | 2019年 / 50卷 / 01期
关键词：
Pedicle screw; Spinal fixation; Multi-slice CT; LUMBAR SPINE; PLACEMENT; ACCURACY; FUSION; CT;
D O I：
10.1186/s43055-019-0050-7
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Background Pedicle screw instrumentation is used widely in lumbar spine for stabilization to enhance arthrodesis and has been accepted in the thoracic spine in recent years. The purpose of this study was to assess the value of postoperative 320 multi-slice computed tomography (MSCT) in assessment of pedicle screw placement in patients with spinal fixation with clinical and surgical correlation. Results A total of 340 pedicular screws were inserted to 70 cases. 286 (84.12%) were in, 54 screws (15.88%) were violated, and revision surgeries were required for 5 displaced screws. On axial, coronal reconstruction and three-dimensional (3D) reformatted CT images 36, 47, and 54 displaced screws were detected, respectively. Both sensitivity and specificity for 3D reformatted images were 100%. For axial image, they were 97.6% and 89.4%, respectively, compared with surgical findings in 5 revised screws. Conclusion Multi-slice CT scan is a valuable and valid postoperative assessment tool of accuracy of spinal pedicle screw placement.
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页数：10
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