CT平扫,除下述哪种病变外,其余病变均可有钙化() ["A.肝脏黑色素瘤","B.肝内胆管结石","C.酒精性肝病","D.结肠癌肝转移","E.肝脏血吸虫病"]
关于胰腺在CT图像上的识别标志,下述哪项是错误的() ["A.十二指肠水平部横跨于下腔静脉和腹主动脉前方,标志着胰头消失","B.腹主动脉左前壁是区分胰颈与胰体的标志","C.门静脉或肠系膜上静脉右壁是区分胰头与胰颈的标志","D.一般认为钩突向左延伸部分超过肠系膜上动脉属异常","E.钩突位于肠系膜上动静脉与下腔静脉之间"]
脐疝()脐茸()腹裂() ["A.脐部圆形包块,加腹压包块突出,平静平卧包块消失","B.卵黄管的脐端未闭,遗留较短的盲管","C.脐带周围发生缺损,腹腔内脏脱出体外","D.出生后见胃肠突出腹壁外,脐和脐带正常,腹壁裂孔在脐的右侧为纵向","E.卵黄管的脐端有残留的粘膜形成息肉样的红色突起,少量渗出"]
CT横断面扫描,下列有关胆总管正常解剖的描述,哪项不对() ["A.平均长度7.5cm","B.平均宽度1.2cm","C.增强扫描,胆总管壁无明显强化","D.可异位开口于十二指肠憩室内","E.十二指肠上段层面:后有门静脉,左有肝动脉"]
肝转移癌少血供者常见表现为() ["A.病理血管","B.供血血管增粗","C.血管受压弯曲","D.肿瘤染色","E.动静脉瘘"]
精索鞘膜积液()腹股沟斜疝()隐睾()