3.0T动态增强磁共振功能成像鉴别直肠癌区域良恶性淋巴结的临床价值  

Clinical Value of 3.0T Dynamic Enhanced MR Functional Imaging in Differentiating Benign and Malignant Lymph Nodes in Rectal Cancer

作　　者：张婷 何卫红 ZHANG Ting;HE Wei-hong(Department of Radiology,the Second Affiliated Hospital of Nanhua University,Hengyang 421000,Hunan Province,China)

机构地区：[1]南华大学附属第二医院放射科,湖南衡阳421000

出　　处：《中国CT和MRI杂志》2022年第3期149-152,共4页Chinese Journal of CT and MRI

摘　　要：目的分析3.0T动态增强磁共振功能成像对直肠癌区域良恶性淋巴结的鉴定价值。方法随机选取我院于2017年5月至2019年5月至我院进行直肠癌检查的患者共计69例,对所有患者实施3.0T动态增强磁共振功能成像(MRI)检查与常规CT检查,分析两组检查结果中患者直肠癌区域良恶性淋巴结鉴别结果情况。结果所有患者经治疗后病理学检查确诊69例患者中,42例患者为良性淋巴结,27例为恶性淋巴结。经3.0T动态增强MRI检查与CT检查后,MRI检查结果中恶性淋巴结组患者浆膜面浸润、静脉包绕征以及肠周脂肪混杂信号征数量均较良性淋巴结组患者数量更高,两组间差异显著(P<0.05),且3.0T动态增强MRI检查准确率、敏感度、特异度均较CT检查更高,两组间差异显著(P<0.05)。而CT检查结果显示,恶性淋巴结组患者检查区域内淋巴结大小以及淋巴结个数均较良性淋巴结组患者更高,组间差异显著(P<0.05)。对患者的疾病分期进行检查后可知,3.0T动态增强MRI检查结果准确率较CT检查结果准确率更高,两组间差异显著(P<0.05)。结论利用3.0T动态增强核磁共振功能成像进行直肠癌区域良恶性淋巴结鉴定,可有效提升检查准确率、敏感度与特异度,同时可有效了解患者病灶具体特征,并对患者疾病分期有更准确的检查准确率,有利于医师对患者病情的掌握以及治疗方案的制定,是一种具有较高实际临床应用价值的检查方法。Objective To analyze the value of 3.0T dynamic contrast-enhanced MRI in the diagnosis of benign and malignant lymph nodes in rectal cancer.Methods 69 cases of rectal cancer were randomly selected from May 2017 to may 2019 in our hospital.All patients were examined with 3.0T dynamic enhanced magnetic resonance imaging(MRI)and conventional CT.The results of the two groups were analyzed.Results Of the 69 patients confirmed by pathological examination after treatment,42 were benign lymph nodes and 27 were malignant lymph nodes.After 3.0T dynamic contrast-enhanced MRI and CT examination,the number of serous infiltration,vein wrapping syndrome and periintestinal fat mixed signal sign in malignant lymph node group was higher than that in benign lymph node group,and the difference between the two groups was significant(P<0.05),and the accuracy,sensitivity and specificity of 3.0T dynamic contrast-enhanced MRI examination were higher than that of CT examination,and the difference between the two groups was significant(P<0.05).The results of CT showed that the size and number of lymph nodes in malignant lymph node group were higher than those in benign lymph node group(P<0.05).The accuracy of 3.0T dynamic contrast-enhanced MRI was higher than that of CT,and the difference between the two groups was significant(P<0.05).Conclusion Using 3.0T dynamic contrast-enhanced MRI to identify the benign and malignant lymph nodes in rectal cancer area can effectively improve the accuracy,sensitivity and specificity of the examination,at the same time,it can effectively understand the specific characteristics of the focus of patients,and has a more accurate examination accuracy for the disease stage of patients,which is conducive to the doctors'grasp of patients'condition and the formulation of treatment plan The examination method with higher practical clinical application value.

关 键 词：3.0T动态增强磁共振功能成像 直肠癌 良恶性淋巴结 CT检查 

分 类 号：R445.2[医药卫生—影像医学与核医学] R735.37[医药卫生—诊断学]