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目的探讨骶骨骨巨细胞瘤的CT增强扫描特点及其在诊断中的应用价值。方法回顾分析60例骶骨肿瘤患者的CT增强扫描特点,依据病理结果,划分骨巨细胞瘤(实验组)与非骨巨细胞瘤(对照组)进行统计学分析,定量研究CT增强扫描后CT值的变化特征。结果在60例骶骨肿瘤中,骨巨细胞瘤22例,增强后强化最显著区域平均CT值为121.59±21.82HU;非骨巨细胞瘤38例,增强后强化最显著区域平均CT值为61.24±20.60HU;二者之间差异显著(P<0.05)。ROC曲线分析表明,当CT值≥97HU时,诊断骨巨细胞瘤的敏感度为90.9%,特异性为99.97%。结论 CT增强扫描,CT值的定量分析在骶骨骨巨细胞瘤的定性诊断中有一定的导向价值。
Objective To investigate the characteristics of CT enhanced scans of sacral giant cell tumor and their diagnostic value. Methods The CT features of 60 patients with sacral tumor were retrospectively analyzed. According to the pathological results, we divided the giant cell tumor of bone (experimental group) and the non-giant cell tumor of bone (control group) into statistical analysis. CT value The changing characteristics. Results Among the 60 sacral tumors, 22 cases of giant cell tumor of bone showed an average CT value of 121.59 ± 21.82 HU in the most significant area after enhancement and 38 cases of non-giant cell tumor. The average CT value of the most significant area after enhancement was 61.24 ± 20.60HU; the difference between the two was significant (P <0.05). ROC curve analysis showed that when the CT value ≥ 97HU, the sensitivity of the diagnosis of giant cell tumor of bone was 90.9% and the specificity was 99.97%. Conclusion The quantitative analysis of CT enhanced CT and CT value has certain guiding value in the qualitative diagnosis of giant cell tumor of sacrum.