男,24岁,头痛呕吐视力下降半年余,MRI平扫及增强扫描,最可能的诊断为()
A.生殖细胞瘤
B.垂体瘤
C.脑膜瘤
D.胶质瘤
E.未见异常
参考答案:A
The result was good enough for Liu Xiang to win the ________, but far off his former world record and personal best of 12.88 seconds.
A power B advantage C title D item
女性,30岁。头皮撕脱伤5小时。查体:P120次/分,BP80/70mmHg。神志尚清,表情淡漠,口渴,面色苍白,四肢湿冷,尿少。
治疗方法宜采取()。
A.手术如需血管吻合,先吻合静脉
B.术后应用血管扩张剂
C.术后应用抗凝药物
D.骨膜缺如、颅骨外板暴露的部位不能直接用皮片覆盖
E.术后应用抗生素