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目的探讨多层螺旋CT血管成像(MSCTA)在真性脾动脉瘤诊断中的应用价值。方法收集2010年10月-2014年7月行腹部MSCTA检查诊断为脾动脉瘤的7例患者资料。采用多层面重组、曲面重组、最大密度投影和容积再现等图像后处理技术处理图像。观察动脉瘤的部位、数目、形态、大小、是否伴有血栓和钙化等。结果多种图像后处理技术均检出全部动脉瘤。7例脾动脉瘤发现9个瘤体,位于胰上段1例,胰段2例,胰前段3例,胰前段及脾门前端1例(多发),均未破裂出血,最大瘤体为60 mm×57 mm×54 mm,1例瘤壁合并瘤体钙化,余6例仅瘤壁显示不同程度蛋壳样钙化,3例发现附壁血栓。所有动脉瘤均为真性动脉瘤。结论 MSCTA能准确显示脾脏动脉瘤,多种后处理技术结合使用,可更加详细有效地观察瘤体的特征及瘤腔内外情况,对临床制定下一步治疗有重要指导意义。
Objective To investigate the value of multi-slice spiral CT angiography (MSCTA) in the diagnosis of true splenic aneurysm. Methods The data of 7 patients who were diagnosed as splenic aneurysm by MSCTA during the period from October 2010 to July 2014 were collected. Image processing is performed using image post-processing techniques such as multi-level reorganization, surface reorganization, maximum density projection, and volume rendering. Observation of aneurysm site, number, shape, size, whether accompanied by thrombosis and calcification. Results A variety of image post-processing techniques were detected in all aneurysms. In 7 cases of splenic aneurysm, 9 tumors were found, located in the upper part of the pancreas in 1 case, 2 in the pancreatic segment, 3 in the anterior pancreatic segment, 1 in the anterior pancreatic segment and in front of the spleen (multiple) × 57 mm × 54 mm, 1 tumor wall tumor calcification, more than 6 cases of tumor wall showed varying degrees of egg shell calcification, 3 cases of mural thrombus was found. All aneurysms are true aneurysms. Conclusion MSCTA can accurately display splenic aneurysms. Combined with a variety of post-treatment techniques, MSCTA can observe the characteristics of the tumor and the situation inside and outside the aneurysm in more detail and effectively, which is of great guiding significance for the further development of clinical treatment.