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当前学科:医学影像科(选择轮转科目)
题目:
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随着年龄增大,胰腺回声显示为()
A . 形状增大,回声强度降低
B . 形状缩小,回声增强
C . 形状增大,回声无变化
D . 形状增大,回声增强
E . 均无变化
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