Abstract
目的 分析尸体标本腹腔神经节的解剖及其CT断面图像,为在活体CT上识别腹腔神经节提供参考.方法 50具成人尸体标本,剖腹并掀开胃和肝脏等结构,显示并观测腹腔神经节的位置、形态、大小及毗邻关系.其中6具标本胰腺周围无病变、解剖结构清晰的腹腔神经节用64.7%碘海醇注射液标记,将掀开的结构复位,再进行CT横断面扫描.分析CT图像上神经节的显示,与大体解剖观察结果对照.结果 50具标本中,47具标本(94%)的腹腔神经节位于T12~L1椎体平面,3具(6%)位于T11~12椎体平面;腹腔神经节大体形态可分为长条型、结节型、薄片型、半月型;腹腔神经节的大小:左侧上下径为(22.74±5.70)mm,左右径(长径) 为(15.07±4.35)mm,厚度(短径) 为(2.00±0.71)mm,右侧上下径为(25.01±6.09)mm,长径为(13.18±3.62)mm,短径为(1.40±0.55)mm.在CT图像上,6具标本腹腔神经节均显示,左侧显示更佳;腹腔神经节大小:右侧长径为(15.20±1.64)mm,短径为(1.53±0.52)mm,左侧长径为(16.25±1.73)mm,短径为(2.20±0.73)mm.CT所测值与相应解剖值比较,P>0.05,二者差异无统计学意义.结论 CT断面图像,能够显示尸体标本腹腔神经节的部位、大小和形态,其结果与解剖所测一致.尸体标本CT图像腹腔神经节的显示可作为活体CT观察腹腔神经节的参考。
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