问题 多项选择题

间质性水肿的MRI表现为()

A.常见于急性脑积水或交通性脑积水患者

B.脑室周围出现边缘光滑的稍长T1、长T2信号带

C.病灶周围的脑白质、灰质同时受累

D.T1WI水肿区信号高于脑室内脑脊液信号

E.Gd-DTPA增强扫描水肿不增强

答案

参考答案:A, B, D, E

解析:

间质性水肿常见于急性脑积水或交通性脑积水患者。于脑室周围出现边缘光滑的稍长T1、长T2信号带,由于间质性水肿为结合水,所以,T1WI水肿区信号高于脑室内脑脊液信号,Gd-DTPA增强扫描水肿不增强。C为细胞毒性水肿表现。因此,C不是。

填空题
单项选择题

I was a single parent of four small children, working at a low paid job. Money was always tight, but we had a (1) over our heads, food on the table, clothes on our backs, and if not a lot, always (2) . Not knowing we were poor, my kids just thought I was (3) . I’ve always been glad about that.

It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) .

They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us.

The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop".

Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) . She had only one small, flat bag with a few candies—fiftycent candies! I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me.

"I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. "

I never felt so (20) as I did that day.

14()

A.since 

B.after 

C.while 

D.until