目的:分析宝石能谱CT在肿瘤诊断中的初步应用价值。方法:2010年1月至3月在上海交通大学医学院附属瑞金医院行宝石能谱CT检查的患者3例(男/29岁,男/51岁,女/77岁),3例患者病理诊断结果已知,通过不同的参数图像[碘(水)基图、最佳单能量图像、碘(水)散点图、单能量CT值分布直方图、CT值能量曲线图]进行对比分析和病例对照分析。所有病例均以病理组织学结果作为最终衡量标准。结果:宝石能谱CT对于常规CT和磁共振成像(MRI)不能检测的小胰岛细胞瘤能作出准确的术前定位;宝石能谱CT能预测性分析肝肾间隙肿瘤的性质;宝石能谱CT能预测性分析肾癌Fuhrman核分级。结论:宝石能谱CT可能提高富血供小肿瘤的检出率,并能对不同组织类型的肿瘤和肿瘤分级进行鉴别。
Objective To assess the value of GSI (Gemstone Spectral Imaging) in the diagnosis of tumor through analyzing three cases of Gemstone Spectral Imaging findings. Methods Three cases of tumor (case 1,male/29; case 2,male/51; case 3,female/77) undergone dual phase scan (arterial phase and portal venous phase) with GSI mode by Discovery CT750 HD from January 2010 to March 2010 were enrolled,and all of these cases were proved histopathologically. All three cases were analyzed with GSI viewer using different param...