Mean CT attenuation values between normal pancreas and tumor and the number of metastasis of liver during the different phases were compared.
比较各期扫描正常胰腺组织与肿瘤的密度差异和肝转移瘤的发现率。
Results The accuracy of MRI diagnosis rate was 100%. The MRI could demonstrate features included:(1)Double lumen with different attenuation values;
结果主动脉夹层诊断准确率100%，磁共振表现为（1）不同信号双腔影；
The values of the asymmetry attenuation fulfill the table.
非对称性衰减值符合下表。
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