影像上肿块的中心位于高位的鼻穹窿，并且在T2序列上其信号强度不一，强化也不均匀。
On imaging, the tumour center is in the high nasal vault and demonstrates variable signal intensity on T2 weighted imaging with subsequent heterogeneous enhancement.
图1和图2：轴位t2序列显示整个幕上白质区弥漫性的高信号影，累及半卵圆中心和放射冠区。
Figure 1 and Figure 2: Axial T2 weighted images demonstrate diffuse high signal throughout the supratentorial white matter involving the centrum semiovale and corona radiata.
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