Objective: To study the feasibility of dynamic ct scanning in the differential diagnosis of the tumors in lateral neck.
目的：研究利用颈侧区肿块在动态增强扫描的影像特征进行手术前鉴别诊断。
Objective To study the CT finding of orbital cavernous hemangioma and the evaluation of CT dynamic scanning in diagnosis of orbital cavernous hemangioma.
目的研究眼眶海绵状血管瘤的CT表现，尤其动态增强扫描在诊断和鉴别诊断海绵状血管瘤中的价值。
Objective: To study 3d dynamic enhanced MR scanning technique.
目的：探讨垂体动态三维增强扫描方法。
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