肝脏上皮样血管平滑肌脂肪瘤的MSCT表现

发布时间：2018-02-13 14:39

本文关键词： 肝脏上皮样血管平滑肌脂肪瘤多层螺旋CT　出处：《临床放射学杂志》2016年03期 　论文类型：期刊论文

【摘要】：目的探讨肝脏上皮样血管平滑肌脂肪瘤(HEAML)的MSCT表现。方法搜集经手术后病理证实的8例HEAML患者的64层MSCT平扫及双期增强扫描资料,回顾性分析其CT表现,并与病理结果相对照。结果 8例均为女性,7例单发,1例多发。8例CT平扫均呈低密度结节或肿块,未见脂肪密度;增强扫描:7例动脉期明显不均匀强化,病灶内部或边缘见粗大的畸形血管影,强化程度接近腹主动脉,门脉期强化程度低于周围肝实质,呈"快进快出"表现,粗大畸形的血管仍持续强化;1例动脉期全瘤明显强化,门脉期强化程度与正常肝实质相近,呈"快进慢出"表现,病灶周边可见畸形血管影,强化程度低于腹主动脉。7例可见不同程度的引流静脉早期显影。6例可见假包膜,动脉期及门脉期均强化。结论 HEAML的MSCT表现有一定的特征性,病灶内部或边缘出现粗大畸形的静脉有助于该病的诊断。
[Abstract]:Objective to investigate the MSCT findings of hepatic epithelioid angiomyolipoma (HEAML). Methods the 64-slice MSCT plain scan and dual-phase enhanced scanning data of 8 patients with HEAML proved by operation and pathology were collected and their CT findings were analyzed retrospectively. Results in 8 cases, 7 cases were female and 1 case had multiple lesions, 8 cases showed low density nodule or mass on plain CT scan, 7 cases showed no fat density, and 7 cases were enhanced inhomogeneously in arterial phase by contrast enhanced CT scan. At the internal or edge of the lesion, a large abnormal vascular shadow was seen, the enhancement degree was close to that of the abdominal aorta, and the enhancement degree of portal vein phase was lower than that of the surrounding hepatic parenchyma, showing a "fast in and out" pattern. The enhancement degree of portal vein phase was similar to that of normal hepatic parenchyma, with the appearance of "fast moving in and slow out", the abnormal vascular shadow was seen around the lesion, and the enhancement degree was lower than that of abdominal aorta in .7 cases. Conclusion the MSCT features of HEAML are characteristic, and the presence of coarse veins in or around the lesion is helpful to the diagnosis of the disease.
【作者单位】：深圳市宝安区中心医院放射科;中山大学附属第一医院放射科;
【分类号】：R735.7;R730.44

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