【单选题】【消耗次数：1】
肾脏CT扫描下列哪个时相观察肿瘤与肾盂肾盏的关系。
①
平扫
②
动脉期
③
皮髓期
④
实质期
⑤
分泌期
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【多选题】
男，74岁，间歇性无痛性全程血尿2月余，尿路造影及CT平扫考虑为肾盂肿瘤，下列说法正确的是（）。
①
A.尿路造影见右侧肾盂内不规则的充盈缺损征象
②
B.CT平扫示右侧肾盂内可见软组织块影
③
C.增强扫描右侧肾盂内软组织块影呈轻度强化
④
D.可考虑为右侧肾盂癌
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