On imaging, the tumour center is in the high nasal vault and demonstrates variable signal intensity on T2 weighted imaging with subsequent heterogeneous enhancement.
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。
2
Result: N-NHL display of CT: Tumour on the nasal cavity, bone destroy on the nosepiece, and the same display on the border upon frame.