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目的 为了证明CT是诊断鞍区病变的主要方法。方法 采用西门子ARC型全身CT扫描机器对患者行轴位或冠状位薄层扫描,层厚3mm,层距3mm。所有病例均行增强CT扫描。结果 共分析研究30例鞍区病变CT表现,其中垂体腺癌18例,脑膜瘤4例,颅咽管瘤4例,胶质瘤2例,畸胎瘤1例,脊索瘤1例。术前诊断正确率98%。结论 通过鞍区肿瘤特殊CT表现,阐述各种疾病的鉴别要点,分析个别病例的误诊原因,证明CT是诊断鞍区病变的主要方法。
Purpose In order to prove that CT is the main method of diagnosis of sellar lesions. Methods The patients were scanned by Siemens ARC type CT scan machine with axial or coronal thin layer, thickness 3mm, layer thickness 3mm. All cases underwent enhanced CT scan. Results A total of 30 cases of sellar lesions were analyzed. Among them, 18 cases of pituitary adenoma, 4 cases of meningioma, 4 cases of craniopharyngioma, 2 cases of glioma, 1 case of teratoma and 1 case of chordoma. The correct rate of preoperative diagnosis was 98%. Conclusions Through the special CT findings of sellar tumors, the main points of differential diagnosis of various diseases are expounded, and the causes of misdiagnosis of individual cases are analyzed. It is proved that CT is the main method for the diagnosis of sellar lesions.