Figure 7: Axial image from CT cisternogram demonstrates intrathecal contrast leaking into the expanded right sphenoid sinus along the septum (orange arrow).
图7：轴位CT脑池造影显示硬膜下造影剂沿着中隔渗漏到扩张的右侧蝶窦腔内。
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Methods Axial and coronal scan the paranasal sinus for 271 patients, to analyze the types and areas of paranasal sinus diseases.
方法对271例患者行副鼻窦轴扫和冠扫，分析副鼻窦疾病病变的类型、范围。
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Purpose To select the best scanning method for accessory sinus lesions by comparing the advantages with the disadvantages of ct axial films and coronal films.