3.0T磁共振成像应用于进展期胃癌术前诊断和T分期的研究

目的 分析3.0T磁共振成像(MRI)对进展期胃癌术前T分期的诊断价值.方法 选取我院2017年7月至2018年9月收治的胃癌患者30例,均进行3.0T磁共振成像平扫及动态增强扫描,与术后病理结果对比,分析3.0T MRI平扫及动态增强扫描胃癌术前T分期结果与病理的相关性.结果 30例患者MRI平扫时病灶区胃壁呈不均匀...

Application of 3.0T Magnetic Resonance Imaging in Preoperative Diagnosis and T Staging of Advanced Gastric Cancer

Objective To analyze the diagnostic value of 3.0 T magnetic resonance imaging(MRI) for preoperative T staging of advanced gastric cancer.Methods Thirty patients with gastric cancer admitted to our hospital from July 2017 to September 2018 were enrolled in the study.All patients underwent 3.0 T magnetic resonance imaging and dynamic contrast-enhanced scanning.Compa red with postoperative pathological results,3.0 T MRI plain scan and dynamics were analyzed.The correlation between enhanced scan and preope rative T staging results of gastric ca ncer.Results In the 30 patients with MRI,the gastric wall of the lesion was unevenly thickened,and the thickness was about 7.22~30.62 mm.The normal gastric mucosa disappeared or was destroyed in the lesion area.23 patients showed irregular enhancement in the dynamic enhanced scan.The patients were stratified-enhanced;the total coincidence rate of MRI for preoperative T1 staging was 83.33%,the coincidence rate of T2 staging was 88.89%,the coincidence rate of T3 staging was 72.73%,and the coincidence rate of T4 staging was 90.00%.Conclusion MRI plain scan+dynamic enhanced scan imaging speed is fast,can effectively display the depth of gastric wall stratification and lesion invasion,and has a high diagnostic value for advanced gastric cancer in T2 and T3 stage.