鼻咽癌MRI表现

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
正确答案：A