问题详情
鼻咽癌MRI表现
A、T1WI呈中等信号,T2WI信号略增高,增强后轻度至中度强化
B、T1WI呈中等信号,T2WI信号略减弱,增强后轻度至中度强化
C、T1WI呈低信号,T2WI信号略增高,增强后轻度至中度减弱
D、T1WI呈中等信号,T2WI信号略增高,增强后轻度至中度减弱
E、T1WI呈高信号,T2WI信号略减弱,增强后轻度至中度强化
请帮忙给出正确答案和分析,谢谢!