MRI评价腺体-脂肪界面乳腺癌对瘤周脂肪侵犯及保乳术的价值

ZHANG Deqing, CHENG Xiaoyang,HU Yunfang,LEI Ruiwen, HUANG Renfeng, LIAO Xueqing,CHEN Zhensong,MENG Zhihua

Journal of Medical Imaging(2023)

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Abstract
目的 探讨MRI评价腺体-脂肪界面乳腺癌对瘤周脂肪侵犯及保乳手术方式的价值.方法 选取经病理确诊的253例浸润性乳腺癌(invasive breast carcinoma,IBC)患者,术前MRI检查肿瘤位于腺体-脂肪界面;分析皮下瘤周脂肪消退/萎缩、缺失,瘤周脂肪纤维化、水肿的MRI影像,评价瘤周脂肪侵犯与保乳术式选择的关系.结果 33.2%的病例肿瘤直接侵犯皮肤结构,与皮肤间脂肪组织缺失;22.1%的病例轻度脂肪侵犯,44.7%的病例重度脂肪侵犯.74.3%的病例瘤周脂肪内观察到纤维化影像,85例MRI显示与肿瘤垂直索条影,41例显示沿肿瘤轮廓弧形索条影,62例两者均有.39.9%的病例显示重度、17.4%的病例显示轻度瘤周脂肪内水肿.71例腺体-脂肪界面乳腺癌中68例保乳成功,82.4%的病例为轻度脂肪侵犯,17.6%的病例为重度脂肪侵犯,27.9%的病例显示瘤周脂肪纤维化,38.2%的病例瘤周脂肪水肿.保乳手术方式主要是肿物切除及区段切除术.结论 MRI是评价腺体-脂肪界面乳腺癌对瘤周脂肪侵犯的有效方法,对指导保乳手术有价值.
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Key words
Peritumoral fat,Gland-fat interface,Invasive breast carcinoma,Breast-conserving surgery,Magnetic reso-nance imaging
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