患者男，65岁，原因不明腹痛，不向肩背部放射，体检发现中上腹直径4cm肿瘤，TBil15mmol/L，CA19-980U/L。平扫CT发现胰头局部低密度肿块，胰管扩张最宽处为5mm，胰管内钙化；增强CT中肿瘤中央部位的强化程度明显高于周围胰腺组织，初步考虑胰腺导管内 * * 状黏液性肿瘤（IPMN）。
典型的IPMN，ERCP表现是（）
A.可以观察到缩小的十二指肠 * * ，可观察到黏液从 * * 中排出
B.可以观察到扩大的十二指肠 * * ，可观察到黏液从 * * 中排出
C.无法观察到扩大的十二指肠 * * ，可观察到黏液从 * * 中排出
D.十二指肠溃疡
E.十二指肠梗阻
参考答案：B
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| Mr Newton was a famous scientist. He liked thinking of some 1 and for it he was often absent-minded (心不在焉的).One evening, when he 2 home at eight o'clock, his family were out. He waited for a long time, but none 3 .He became so worried about them that he couldn't eat. He wanted to eat nothing at all. Then he 4 his wife always took the children to the park on Wednesday and after that she would take them to the 5 .And it was Wednesday that day. Mr Newton was no longer worried. He began to feel 6 . He ate some bread, meat and tomatoes. After supper he fell 7 in the chair. Later on a little noise woke him up. He 8 that someone had entered the house. They slipped into(潜入)the sitting room, 9 turning on the lights. Jumping off the chair, he thought," 10 " Then he heard, "What are you doing here, Daddy?" Now he understood: they were his children. | ||||
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