中国普外基础与临床杂志

中国普外基础与临床杂志

肝上皮样血管内皮细胞瘤的影像学表现

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目的 探讨肝上皮样血管内皮细胞瘤的影像学表现。 方法 回顾性分析 2012 年 7 月至 2016 年8 月期间于四川大学华西医院接受手术并经术后病理学检查证实的 15 例肝上皮样血管内皮细胞瘤患者的影像学资料,分析肿瘤的位置、边界、密度/信号、强化等征象。 结果 15 例患者中,单发型 4 例,多发型 5 例,融合型6 例。13 例以肝包膜下分布为主,均伴“肝包膜回缩征”。14 例见“棒棒糖征”,7 例见“核心模式”。CT 平扫表现为肝内稍低密度的结节、团块影;MRI 平扫表现为 T1 稍低信号,T2 稍高信号。增强扫描可表现为轻度强化、边缘环形强化及渐进向心性强化。 结论 肝上皮样血管内皮细胞瘤的 CT 和 MRI 影像学表现差异大,“肝包膜回缩征”、“棒棒糖征”及“核心模式”有一定特征性。

Objective To evaluate the imaging features of hepatic epithelioid hemangioendothelioma (HEHE). Methods The imaging data of 15 patients with HEHE proved by surgery and pathology who reeived treatment in West China Hospital from Jul. 2012 to Aug. 2018, were retrospectively analyzed. The location, boundary, density/signal, and enhanced features of tumor were observed. Results Among 15 cases, there were 3 cases of single, 5 cases of multiple, and 6 cases of fusion. Thirteen cases were distributed under the capsular of liver, accompanied by the capsule retraction sign, 14 cases had lollipop sign, 7 cases had core pattern sign. On plain CT images, the lesions manifested as low density. On plain MR images, the lesions had hypointense on T1-weighted images and hyperintense on T2-weighted images. The enhanced scanning could be characterized by mild enhancement, rim-like enhancement at early phase, and progressive centripetal fill-in enhancement during dynamic phase imaging. Conclusions CT and MRI imagings of HEHE are different, and there are certain characteristics of capsule retraction sign, lollipop sign, and core pattern sign.

关键词: 肝上皮样血管内皮细胞瘤; CT; MRI

Key words: hepatic epithelioid hemangioendothelioma; computed tomography; magnetic resonance imaging

引用本文: 刘露, 鲁亚, 刘曦娇, 伍兵. 肝上皮样血管内皮细胞瘤的影像学表现. 中国普外基础与临床杂志, 2018, 25(2): 229-234. doi: 10.7507/1007-9424.201801007 复制

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