下列关于鼻咽纤维血管瘤的描述,错误的是()
A.常发生于10~25岁的男性
B.肿瘤富含血管,极易出血
C.活检多属禁忌
D.术前均能明确诊断
E.主要采取手术治疗
参考答案:D
— He can't find his hat. Have you seen it?
— Yes, of course. I _____ it on his bed just now.[ ]
A. saw
B. have seen
C. had seen
D. to see
男性,36岁。间断黏液血便2年,加重1个月。每天大便次数为5~6次,为明显血便,粪质少;实验室检查和辅助检查:Hb126g/L;ESR20mm/h;肠镜示直肠至肝曲黏膜明显充血、水肿,散在针尖样溃疡,黏膜质脆,触之易出血;大便潜血:(++)。
本病最可能的诊断是()
A.溃疡性结肠炎(广泛性,缓解期)
B.溃疡性结肠炎(广泛性,轻度)
C.溃疡性结肠炎(广泛性,活动期)
D.溃疡性结肠炎(广泛性,活动期,重度,慢性持续型)
E.溃疡性结肠炎(广泛性,活动期,中度,慢性复发型)