试题与答案

患者女,41岁,发现右乳外上象限有一肿块。肿块切面灰黄,其中见一约0.8cm×0.6

题型:单项选择题 共用题干题

题目:

患者女,41岁,发现右乳外上象限有一肿块。肿块切面灰黄,其中见一约0.8cm×0.6cm的灰白颗粒状质硬区,与周围组织分界欠清。组织形态如图所示。

免疫组织化学染色:导管内增生上皮细胞灶性CK5/6(+),CK34βE12(+);导管周及散在分布于间质内的腺管肌上皮标志物SMA(+)、P63(+)。最可能的诊断是()

A.乳腺纤维囊性变

B.复杂性硬化性病变伴普通型导管上皮增生

C.复杂性硬化性病变伴导管原位癌形成

D.导管原位癌

E.非典型导管上皮增生

答案:

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