乳腺MRI对不同类型黏液腺癌的诊断价值

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摘要目的：探讨乳腺MRI常规序列及弥散加权成像（Diffusion weighted imaging，DWI）对不同类型黏液腺癌的诊断价值。方法：回顾性收集本院18例经手术病理证实的乳腺黏液腺癌患者，其中单纯型黏液腺癌12例，混合型黏液腺癌6例，比较分析两组不同类型乳腺黏液腺癌的MRI表现。结果：18例不同类型乳腺黏液腺癌MRI表现有所不同：①病灶边缘形态不同：75.0%（9/12）单纯型黏液腺癌表现为边缘光滑，66.7%（4/6）混合型黏液腺癌表现为毛刺状边缘；②T2WI信号不同：83.3%（10/12）单纯型黏液腺癌T2WI为高信号，83.3%（5/6）混合型黏液腺癌多表现为高低混杂信号；③表观弥散系数（Apparent diffusion coefficient，ADC）不同：单纯型黏液癌平均ADC值（（1.9±0.3）×10-3 mm2/s）高于混合型黏液癌（（1.1±0.2）×10-3 mm2/s）。各组比较差异均有统计学意义（P<0.05）。结论：不同病理学类型的乳腺黏液腺癌在MRI上具有不同的特征性表现，其病灶边缘、T2WI信号强度及ADC值均有不同。MRI是诊断黏液腺癌的有效影像方法，对鉴别单纯型黏液腺癌及混合型黏液腺癌具有重要价值。

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	钟琦
	崔凤

关键词 ：乳腺肿瘤, 腺癌, 粘液, 磁共振成像

Abstract： Objective: To retrospectively evaluate the diagnostic value of breast MRI in different types of mucinous adenocarcinoma of the breast. Methods: A total of 18 patients undergone surgery were retrospectively collected in our hospital, who were diagnosed with mucinous adenocarcinoma by pathology, including 12 mixed mucinous adenocarcinoma and 6 pure mucinous adenocarcinoma. MR features of two groups were compared. Results: The different MR features of the two groups including: ①Different boundary: 75.0%(9/12) pure mucinous adenocarcinoma had smooth edge, 66.7%(4/6) mixed mucinous adenocarcinoma had speculated edge. ②Different signal intensity on T2WI: 83.3%(10/12) pure mucinous adenocarcinoma were extremely high signal intensity, 83.3%(5/6) mixed mucinous adenocarcinoma were high-low mixed signal intensity. ③Different ADC value: the mean ADC value of pure mucinous adenocarcinoma ((1.9±0.3)×10-3 mm2/s) were higher than that of mixed mucinous adenocarcinoma((1.1±0.2)×10-3 mm2/s). All the results above were regarded as statistically significant(P<0.05). Conclusion: There are significant differences of pure mucinous adenocarcinoma and mixed mucinous adenocarcinoma on MRI in the boundary of tumor, T2 signal intensity and ADC value. MRI is an effective imaging method for diagnosis of mucinous breast carcinoma, and to identify pure mucinous adenocarcinoma and mixed mucinous adenocarcinoma.

Key words： Breast neoplasms Adenocarcinoma, mucinous Magnetic resonance imaging

收稿日期: 2015-05-20

PACS:	Ｒ737.9
	Ｒ730.262
	Ｒ445.2

通讯作者: 崔凤

作者简介: 钟琦（１９86－），男，湖北浠水人，医师。E-mail：zq45896583@163.com

引用本文:

钟琦，崔凤. 乳腺MRI对不同类型黏液腺癌的诊断价值[J]. 中国临床医学影像杂志, 2016, 27(2): 94-97.
ZHONG Qi, CUI Feng. The diagnostic value of breast MRI for different types of mucinous adenocarcinoma of the breast. JOURNAL OF CHINA MEDICAL IMAGING, 2016, 27(2): 94-97.

链接本文:

http://www.jccmi.com.cn/CN/ 或 http://www.jccmi.com.cn/CN/Y2016/V27/I2/94

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