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目的分析多层螺旋CT动态增强扫描在胰头肿块性胰腺炎及胰头癌的CT表现,探讨鉴别要点,提高诊断准确率。方法回顾分析我院23例经手术病理证实或临床随访证实胰头部肿块型胰腺炎与胰头癌患者,采用多层螺旋CT增强扫描、薄层重建及图像后处理,多种重组模式观察,分析其影像学特点,比较统计学差异。结果①肿块型胰腺炎与胰腺癌增强后动脉期、胰腺实质期CT值分别采用配对检验,差异有统计学意义(动脉期=6.45；胰腺实质期=5.72,均0.05)；悠假囊肿发生率差异无统计学意义(=2.61,>0.05)；忧胰胆管扩张情况差异有统计学意义(=5.37,2.61);③The expansion of pancreatic and dif erence was statistical y significant (χ2=5.37, <0.05);④Fascia around the kidney thickening of the dif erence was statistical y significant (χ2=9.27, <0.05). Conclusion Enhanced CT scan in the pancreatic head tumor sex pancreatitis and pancreatic head carcinoma have certain dif erences in performance, as an important clinical basis for the dif erential diagnosis.