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当前学科：口腔执业医师
题目：
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女，55岁。眼干、口干5年，右腮腺肿物3年，逐渐加重，现已出现咀嚼及吞咽困难。右腮腺肿物2cmX3cm大小，表面光滑，无压痛，未见面瘫征象。有类风湿性关节炎病史15年。若对该患者行腮腺造影检查，其表现中不正确的是（）
A
腺体排气功能差
B
主导管可呈花边样或葱皮样改变
C
分支导管数目减少、变细
D
末梢导管不同程度萎缩
E
肿瘤样改变
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