| 肝脏原发性未分化多形性肉瘤的CT及MRI表现 |
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| 引用本文： | 赵才勇,崔凤,施伟,胡红杰.肝脏原发性未分化多形性肉瘤的CT及MRI表现[J].中国医学影像技术,2018,34(3):378-381. |
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| 作者姓名： | 赵才勇 崔凤 施伟 胡红杰 |
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| 作者单位： | 杭州市中医院放射科, 浙江 杭州 310007,杭州市中医院放射科, 浙江 杭州 310007,浙江大学医学院附属邵逸夫医院病理科, 浙江 杭州 310016,浙江大学医学院附属邵逸夫医院放射科, 浙江 杭州 310016 |
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| 摘 要： | 目的 观察肝脏原发性未分化多形性肉瘤（UPS）的CT与MRI表现。方法 回顾性分析8例经病理证实的肝脏原发性UPS患者的影像学资料。结果 6例肿瘤位于肝右叶，1例位于肝左叶，1例位于尾状叶。6例病灶呈不规则形，边界模糊；2例呈类圆形，边界尚清。7例呈混杂密度，1例密度较均匀。8例肿瘤增强扫描动脉期均呈轻度不均匀强化，静脉期肿瘤强化程度、范围均进一步增加；6例肿瘤延迟期持续强化。4例肿瘤并发下腔静脉或门静脉癌栓。结论 肝脏UPS的CT及MRI表现具有一定特征性，有助于诊断。
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| 关 键 词： | 肝肿瘤 体层摄影术 X线计算机 磁共振成像 |
| 收稿时间： | 2017/9/18 0:00:00 |
| 修稿时间： | 2018/1/12 0:00:00 |
CT and MRI findings of liver primary undifferentiated pleomorphic sarcoma |
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| ZHAO Caiyong,CUI Feng,SHI Wei and HU Hongjie.CT and MRI findings of liver primary undifferentiated pleomorphic sarcoma[J].Chinese Journal of Medical Imaging Technology,2018,34(3):378-381. |
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| Authors: | ZHAO Caiyong CUI Feng SHI Wei and HU Hongjie |
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| Institution: | Depatment of Radiology, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou 310007, China,Depatment of Radiology, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou 310007, China,Depatment of Pathology, Sir Run Run Shaw Hospital, School of Medical, Zhejiang University, Hangzhou 310016, China and Depatment of Radiology, Sir Run Run Shaw Hospital, School of Medical, Zhejiang University, Hangzhou 310016, China |
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| Abstract: | Objective To investigate CT and MRI characteristics of liver primary undifferentiated pleomorphic sarcoma(UPS). Methods Data of 8 cases of pathologically confirmed liver UPS were analyzed retrospectively. Results The tumors located in right liver (n=6), left liver (n=1) or caudate lobe (n=1). Irregular shape and ill-defined boundary were found in 6 cases, while regular shape and well-defined boundary were found in the other 2 cases. The lesions in 7 cases showed heterogeneous density, and demonstrated homogeneous density in 1 case. Slight heterogeneous enhancement in arterial phase and progressive enhancement in portal phase were observed in all 8 cases, while continuous enhancement was observed in 6 cases. Tumor thrombi in inferior vena or portal vein were observed in 4 cases. Conclusion CT and MRI manifestations of primary liver UPS are characteristic in certain degree, therefore being helpful to the diagnosis of this disease. |
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| Keywords: | Liver neoplasms Tomography X-ray computed Magnetic resonance imaging |
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