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目的:探讨脊椎结核与脊椎转换瘤的CT形态差异。材料和方法:回顾性分析和比较27例脊椎结核和24例脊椎转移瘤的CT表现,拟定出两类病变的CT形态差异指标进行鉴别诊断。结果:脊椎结核多发生于椎体前中部、多以多发及弥散形式出现,病灶内可有死骨;脊椎转移瘤多以单发形式出现,多发生于椎体中后部和附件骨、病灶内少有死骨;结核的椎旁肿块常有钙化、多无强化或仅周边强化,而转移瘤的椎旁肿块少有钙化但强化明显;结核常累及椎间盘和相邻椎骨,而转移瘤罕有累及椎间盘和相邻椎骨。结论:上述CT形态差异指标的应用,有助于脊椎结核与脊椎转移瘤的鉴别诊断。
Objective: To investigate the difference of CT morphology between spinal tuberculosis and spondylotransplating tumor. Materials and Methods: The CT findings of 27 cases of spinal tuberculosis and 24 cases of spinal metastases were retrospectively analyzed and compared. The differential diagnosis of CT features of two types of lesions was made. Results: Spinal tuberculosis occurred in the anterior vertebral body, mostly in multiple and diffuse forms, there may be dead sebaceous lesions; Spinal metastases mostly appear in the form of single, and more occurred in the anterior and posterior vertebral attachment bones, lesions There are few sequestrum; tuberculosis paravertebral mass often calcification, no enhancement or only peripheral enhancement, and metastatic tumors of the paravertebral mass less calcified but significantly enhanced; tuberculosis often involving the intervertebral disc and adjacent vertebra, and the rare metastatic tumor Involves disc and adjacent vertebra. Conclusion: The application of the above-mentioned CT morphological differences index is helpful for the differential diagnosis of spinal tuberculosis and spinal metastases.