The manifestations of both CT and conventional MRI, the dynamic time-signal curve, time of peak enhancement, and average enhancement rate were compared between SBPA in the 16 patients and chordoma of the skull base (CSB) in another 9 patients.

• 与 9例颅底脊索瘤 (chordomaoftheskullbase ,CSB)比较 ,观察二者在CT、常规MRI征象和时间信号 曲线类型、强化峰值时间、平均强化速率方面的差异。