单选题患者女，47岁，发现右侧乳房内无痛性肿块2月，体检：右侧乳房外上象限可扪及直径约4cm肿块，边界不清，质地硬，局部乳房皮肤出现“橘皮样改变”，经活组织病理学检查证实乳房癌行乳腺癌改良根治术，该患者皮肤出现橘皮样改变是因为：（）A癌细胞堵塞皮下淋巴管B癌肿侵犯乳房C癌肿与胸肌粘连D癌肿与皮肤粘连E癌肿侵犯乳管
单选题
患者女，47岁，发现右侧乳房内无痛性肿块2月，体检：右侧乳房外上象限可扪及直径约4cm肿块，边界不清，质地硬，局部乳房皮肤出现“橘皮样改变”，经活组织病理学检查证实乳房癌行乳腺癌改良根治术，该患者皮肤出现橘皮样改变是因为：（）
A
癌细胞堵塞皮下淋巴管
B
癌肿侵犯乳房
C
癌肿与胸肌粘连
D
癌肿与皮肤粘连
E
癌肿侵犯乳管
参考解析
解析：
当癌细胞堵塞皮下淋巴管时，乳房局部皮肤则出现“橘皮样改变”。
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