CT和MRI在胸腹部孤立性纤维性肿瘤诊断中的应用

发布时间：2018-03-26 10:34

本文选题：孤立性纤维性肿瘤　切入点：体层摄影术　出处：《临床放射学杂志》2017年12期

【摘要】：目的分析CT和MRI对于孤立性纤维性肿瘤的诊断价值。方法回顾性分析2006年3月至2015年4月收治经病理证实的50例胸腹部孤立性纤维性肿瘤CT和MRI检查资料。结果胸腹部孤立性纤维性肿瘤发生于胸部27例,腹部23例。肿瘤直径为1.4~23.1 cm,平均为(8.8±6.7)cm。体积小者多呈圆形或椭圆形,而体积较大者多呈不规则状或者分叶状。肿瘤的边界清楚者33例,边界不清者17例。27例CT表现:13例CT平扫中有6例密度不均匀,内含低密度区,7例密度均匀。14例行CT增强扫描中均呈现不均匀的强化,其实性成分动脉期见迂曲血管影,静脉期11例可见渐进性强化后强化趋于均匀,3例可见持续性强化。23例MRI表现:12例MRI平扫中,肿瘤在T1WI上呈等信号,在T2WI上3例呈低信号,2例为等信号,5例呈高信号,2例为混杂信号;11例增强扫描中均呈现不均匀强化,6例呈"地图"样强化,3例肿瘤内见强化的迂曲血管,2例于周边见强化的迂曲血管。结论 CT和MRI对于胸腹部孤立性纤维性肿瘤均有良好的诊断价值,有助于在术前对胸腹部孤立性纤维性肿瘤进行有效判断。
[Abstract]:Objective to analyze the value of CT and MRI in the diagnosis of solitary fibrous tumors. Methods the CT and MRI findings of 50 cases with pathologically proved solitary fibrous tumors of chest and abdomen were retrospectively analyzed from March 2006 to April 2015. Solitary fibrous tumor of chest and abdomen occurred in 27 cases. The diameter of the tumor was 1.4 ~ 23.1 cm, with an average of 8.8 卤6.7 cm. The small ones were mostly round or elliptical, while the larger ones were irregular or lobulated. The boundaries of the tumors were clear in 33 cases. Ct findings of 17 cases with unclear boundary, 27 cases with CT findings, 13 cases with CT plain scan, 6 cases with nonuniform density, 7 cases with homogeneous density in the low density area and 14 cases with CT enhancement showed uneven enhancement, in fact, in the arterial phase of the sex component, tortuous vascular shadow was seen. In 11 cases of venous phase, the enhancement tended to homogenize after progressive enhancement. In 3 cases, continuous enhancement was observed in 3 cases. MRI showed that in 12 cases of MRI plain scan, the tumor showed the same signal on T1WI. On T2WI, 3 cases showed low signal intensity, 2 cases showed isokinetic signal, 5 cases showed hyperintense, 2 cases showed mixed signal, 11 cases showed heterogeneous enhancement, 6 cases showed "map" enhancement, 3 cases showed enhanced tortuous vessels in 3 cases, 2 cases were around the week. Conclusion CT and MRI have good diagnostic value for solitary fibrous tumors of chest and abdomen. It is helpful for the diagnosis of solitary fibrous tumors of chest and abdomen before operation.
【作者单位】：福建医科大学附属泉州第一医院影像科;山西医科大学第一医院放射科;
【分类号】：R445.2;R730.44

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