目的：探讨CT直接冠状面扫描在直肠癌诊断和分期中的价值。
Purpose: To investigate the value of direct coronal ct for diagnosis and staging of rectal carcinoma.
MRI检查采用矢状面和冠状面扫描，MRI检查结果由有经验放射科医师诊断，关节镜检查由有数千例关节镜手术经验的医师完成。
The results of MRI examination were diagnosed by a experienced radiological doctor. The doctor with an experience of thousands of arthroscopic operation in clinical operated on the patients after MRI.
基于上述研究，应用CT扫描对这类冠状面剪力骨折进行评估的推荐级别定为C级。
On the basis of these studies, a Grade-C recommendation can be made for the use of ct scanning in the assessment of coronal shear fractures.
CT横断及冠状面，薄层扫描是诊断眼眶骨折最准确的方法。
Ct cross section and coronary section, thin level scan are the most accurate way to diagnose orbit fracture.
而直接扫描冠状面图像质量无明显下降（P>0·05）；
Meanwhile there was no significant difference of image quality between the two mA in coronal direct scan (P>0.05).
而直接扫描冠状面图像质量无明显下降（P>0·05）；
Meanwhile there was no significant difference of image quality between the two mA in coronal direct scan (P>0.05).
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