MR imaging features of pure mucinous carcinoma of the breast
MR imaging features of pure mucinous carcinoma of the breast
复制标题
DOI：
10.1016/j.ejrad.2006.08.006
复制
发表时间：
2006-12-01
影响因子：
3.3
通讯作者：
Honda, Hiroshi
中科院分区：
文献类型：
--
作者：
Okafuji, Takashi;Yabuuchi, Hidetake;Honda, Hiroshi
目的：材料与方法：回顾性分析16例经手术证实的乳腺纯粘液癌患者（年龄29-81岁，平均57岁）的MRI表现。MRI表现包括肿瘤的形态、边界、内部肿块强化、动态研究中的动力学曲线、短时反转恢复（STIR）T2加权像信号强度、肿瘤周围非肿块样强化。结果：11例（69%）肿瘤呈分叶状，9例（56%）肿瘤边缘光滑。8个肿瘤（50%）呈环形强化，6个肿瘤（38%）呈不均匀强化。动力学曲线上14个肿瘤（88%）呈持续性强化。15个肿瘤在STIR T2加权像上表现为均匀的强高信号。6例EIC中，5例肿块周围无肿块样强化。结论：MRI表现为分叶状、边缘或不均匀强化，动态曲线呈持续性模式，STIR T2加权像呈均匀强高信号，对诊断单纯黏液癌有一定价值。此外，主肿块周围的线性导管强化可能提示EIC的存在。(C)2006爱思唯尔爱尔兰有限公司保留所有权利。
Objective: To characterize MR imaging features of pure mucinous carcinoma of the breast.Materials and methods: MR images obtained from 16 women (age range, 29-81; mean age, 57 years) with pure mucinous carcinoma of the breast determined at surgery were reviewed. The MR findings used were shape, margin, internal mass enhancement, kinetic curve pattern on dynamic study, signal intensity on short time inversion recovery (STIR) T2-weighted images, and non-mass-like enhancement around the main tumor. Non-mass-like enhancement was compared with the presence of extensive intraductal component (EIC) on histopathological findings.Results: Eleven tumors (69%) had lobular contour, and nine tumors (56%) had smooth margin. Eight tumors (50%) showed rim enhancement and six tumors (38%) showed heterogeneous enhancement. Fourteen tumors (88%) showed a persistent enhancing pattern on kinetic curve. Fifteen tumors exhibited homogenous strongly high signal intensity on STIR T2-weighted images. In six cases with EIC, five cases had non-mass-like enhancement around the main mass.Conclusions: MR findings such as lobular shape, rim or heterogeneous enhancement, persistent pattern on kinetic curve, and homogeneous strongly high signal intensity on STIR T2-weighted images may be useful in diagnosing pure mucinous carcinoma. Moreover, linear-ductal enhancement around main mass may indicate presence of EIC. (C) 2006 Elsevier Ireland Ltd. All rights reserved.