螺旋CT增强扫描对门静脉癌栓与门静脉血栓的鉴别诊断

Journal of Medical Imaging(2015)

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Abstract
目的 探讨门静脉癌栓与血栓的CT表现,提高二者鉴别诊断.方法 搜集经临床及病理证实的门静脉癌栓40例、血栓40例,均行螺旋CT平扫+增强扫描.结果 40例癌栓平扫低密度22例(55.0%),癌栓完全性栓塞36例(90.0%),门静脉管腔直径增粗30例(75.0%),附栓管壁不光滑、血管壁强化、癌栓有强化27例(67.5%),动-门静脉瘘出现23例(57.5%).40例血栓平扫等密度22例(55.0%),栓子完全栓塞7例(17.5%),门静脉管腔直径增粗10例(25.0%),附栓管壁连续光滑、无管壁强化、血栓无强化40例;无1例动-门静脉瘘.结论 门静脉癌栓与血栓在密度、强化、管壁的侵犯、管腔充盈程度、栓塞位置等方面都有不同表现.
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Key words
Portal,Embolus,Thrombosis,Tomography,X-ray computed
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