MRI应用于心脏大血管检查的优势有哪些?
一般情况下,膀胱移行细胞癌的最大特点() ["A.易复发","B.预后差","C.转移快","D.肾功能衰竭早","E.早期即处理困难"]
软下疳()硬下疳() ["A.局部淋巴结肿大","B.梅毒血清试验阳性","C.两者均有","D.两者均无"]
对急性脑卒中作诊断时,CT与MRI相比,正确的是() ["A.MRI对急性出血比CT更敏感","B.弥漫-加权MRI可区别新的和旧的缺血病损","C.CT作为脑卒中的诊断工具,不再有用","D.开始溶栓(组织纤维蛋白溶酶原激活剂)治疗前需作MRI","E.脑出血不能以MRI诊断"]
某患者,男,40岁,突然起病,剧烈头痛,呕吐,意识不清,颈部强直,脑脊液呈血样,CT示脑池内高密度区。可诊断() ["A.蛛网膜下隙出血","B.脑血栓形成","C.脑栓塞","D.脑出血","E.短暂性脑缺血"]
下列疾病的潜伏期是
淋病()非淋菌性尿道炎()软下疳()尖锐湿疣()