【摘要】 目的比较分析多层螺旋CT(MSCT)、MRI对胰腺癌的诊断价值。方法对本院2013年4月-2015年6月60例临床怀疑胰腺癌患者的MSCT、MRI影像学资料进行回顾性分析,以手术病理结果为对照,比较MSCT、MRI对胰腺癌诊断敏感度、特异度、准确度,及对胰腺癌早期分期确诊率。结果手术病理证实胰腺癌38例,MSCT诊断胰腺癌敏感度84.2%,特异度77.3%,准确率81.75,较MRI的92.1%、72.7%、85.0%差异无统计学意义(P>0.05)。CT、MRI对早期胰腺癌确诊率比较差异也无统计学意义(P>0.05)。胰腺癌在CT图像上表现出胰腺肿大、形态不规则特点,增强扫描可见胰腺实质内低密度肿块;胰腺癌MRI呈T1WI低或略低信号、T2WI混杂或略高信号特点。结论 MRI相比MSCT对胰腺癌诊断敏感度、准确度略高,而MSCT诊断特异度略高,各有优势,需根据患者情况选择合理影像学手段。更多还原

【Abstract】 Objective To compare and analyze the value of multi-slice spiral CT(MSCT) and MRI in the diagnosis of pancreatic cancer. Methods The MSCT and MRI data of 60 cases of patients with suspected pancreatic cancer who admitted in our hospital between April 2013 and June 2015 were analyzed retrospectively. With pathological results as control, the sensitivities, specificities and accuracies of MSCT and MRI in the diagnosis of pancreatic cancer and the diagnosis rate of early pancreatic staging were compared. Resultsesults Surgery and pathology confirmed 38 cases with pancreatic cancer. The sensitivity, specificity and accuracy of MSCT in the diagnosis of pancreatic cancer were 84.2%, 77.3% and 81.75, respectively. Compared with those of MRI(92.1%, 72.7%, 85%), there was no significant difference(P>0.05). There were no significant differences in diagnosis rate of early pancreatic cancer between CT and MRI(P>0.05). CT images of pancreatic cancer showed pancreatic enlargement and irregular shape. Enhanced scan showed low-density masses in the pancreatic parenchyma; MRI images of pancreatic cancer showed low or slightly low signal on mass T1 WI, mixed or slightly low signal on T2 WI. ConclusionCompared with MSCT, the sensitivity and accuracy of MRI in diagnosis of pancreatic cancer are slightly higher while the specificity of MSCT is slightly higher. Both if the two diagnostic methods have their own advantages. Therefore, appropriate imaging method should be chosen according to the real condition of patients.更多还原