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目的采用X线和CT三维重建观察先天性脊柱形成障碍患者的椎体后部形态,探讨先天性脊柱形成障碍的结构与分型。方法对89例先天性椎体形成障碍患者进行脊柱正侧位X线和CT三维重建检查,观察椎体、椎弓根、椎板、关节突、横突和棘突的形态结构。结果89例患者共有184个椎体形成障碍畸形,其中104个半椎体畸形表现为脊柱侧后凸畸形,有单侧椎弓根、单侧关节突、单侧横突、单侧或者双侧椎板,并且与临近椎板完全分节或者融合。47个楔形椎体表现为脊柱侧后凸畸形,有双侧不对称的椎弓根、关节突和完全分节的椎板。33个蝶形椎体表现为脊柱后凸畸形,有双侧对称的椎弓根、关节突和独立的椎板。结论先天性脊柱形成障碍畸形的分型和治疗应该同时考虑椎体后部形态结构。
Objective To observe the posterior vertebral body shape of patients with congenital spinal disorders by X-ray and CT three-dimensional reconstruction and to explore the structure and classification of congenital spinal disorders. Methods Eighty-nine patients with congenital vertebral dysplasia were examined by X-ray and CT scan of vertebral column. The morphological structures of vertebral body, pedicle, lamina, articular process, transverse process and spinous process were observed. Results A total of 184 deformities of vertebrae were found in 89 patients. One hundred and four vertebral bodies showed deformity of kyphosis with unilateral pedicle, unilateral facetting, unilateral transverse process, unilateral or bilateral The lamina are completely segmented or fused with the adjacent lamina. The 47 wedged vertebral bodies showed kyphoscoliosis with bilateral asymmetric pedicles, articular processes and completely segmental laminae. 33 butterfly vertebral body showed kyphosis, bilaterally symmetric pedicle, articular process and independent lamina. Conclusion The classification and treatment of deformity of congenital spinal disorders should consider the posterior vertebral body morphology.