Wang Zhen J, Webb Emily M, Westphalen Antonio C, Coakley Fergus V, Yeh Benjamin M
Department of Radiology, University of California, San Francisco, San Francisco, CA 94143-0628, USA.
J Comput Assist Tomogr. 2010 May-Jun;34(3):343-7. doi: 10.1097/RCT.0b013e3181d26ddd.
To assess the imaging features of celiac ganglia on multi-detector row computed tomography (MDCT).
We retrospectively reviewed 103 consecutive MDCT studies and recorded the frequency of visualization, location, morphologic feature, size, and enhancement pattern of the celiac ganglia.
The left celiac ganglion was visualized more often than the right ganglion (89% vs 67%, P < 0.0001). Both ganglia were identified at the level between the origins of celiac and superior mesenteric arteries and anterior to the diaphragmatic crura. The ganglia were either multilobulated or discoid in shape. The mean long- and short-axis dimensions of the ganglia were larger on the left than right (left: 2.2 [0.4] and 0.4 [0.1] cm; right: 2.0 [0.4] and 0.3 [0.1] cm, respectively, P < 0.005). The ganglia had the same CT attenuation as the adjacent adrenal glands on nonenhanced and portal venous-phase images in almost all cases and demonstrated higher attenuation than the adrenal glands in approximately two thirds of the cases on delayed scans.
Celiac ganglia can be identified based on their characteristic locations and morphologic features on MDCT.
评估多排螺旋计算机断层扫描（MDCT）下腹膜后神经节的影像学特征。
我们回顾性分析了103例连续的MDCT研究，记录了腹腔神经节的显示频率、位置、形态特征、大小及强化方式。
左侧腹腔神经节的显示率高于右侧（89%对67%，P<0.0001）。双侧神经节均位于腹腔干和肠系膜上动脉起始部之间、膈脚前方。神经节呈多叶状或盘状。左侧神经节的平均长轴和短轴尺寸大于右侧（左侧分别为2.2[0.4]cm和0.4[0.1]cm；右侧分别为2.0[0.4]cm和0.3[0.1]cm，P<0.005）。在几乎所有病例的平扫和门静脉期图像上，神经节的CT衰减值与相邻肾上腺相同，而在延迟扫描中，约三分之二的病例神经节的衰减值高于肾上腺。
基于MDCT上腹腔神经节的特征性位置和形态特征可对其进行识别。
