It does not use harmful to human body x line and easy the radiography agent that causes allergic reaction , not only can do traverse layer to scan , still can do coronal - plane and fault of arrowy shape face , can judge the place of the disease more accurately so 它不使用对人体有害的x线和易引起过敏反应的造影剂，不但可以做横断层扫描，还可以做冠状面与矢状面断层，这样可更精确判定疾病的部位。
