动态增强磁共振定量分析对布氏杆菌性脊柱炎分期的价值The value of dynamic contrast-enhanced magnetic resonance imaging in the staging of brucellosis spondylitis
乔鹏飞;牛广明;
摘要(Abstract):
目的应用动态增强磁共振对布氏杆菌性脊柱炎进行定量分析,评估它对布氏杆菌性脊柱炎分期的价值。材料与方法收集有完整生化检验或手术资料的布氏杆菌性脊柱炎患者28例,男性17例,女性11例,平均年龄52岁,行常规磁共振成像及动态增强磁共振检查,在灌注参数图上测量上述疾病患者病变椎体的容积转运参数(K~(trans))、速率常数(K_(ep))、血管外细胞外容积分数(V_e)、血浆容积分数(V_p)值,采用成组t检验比较4者的差异。结果在布氏杆菌性脊柱炎病变组椎体与非病变组椎体的K~(trans)、K_(ep)、V_e、V_p差异均有统计学意义(P<0.05);急性期的病变椎体中,K~(trans)=1.723±0.266,K_(ep)=2.177±0.690;非急性期K~(trans)=2.177±0.690,K_(ep)=1.508±0.877,差异有统计学意义(P<0.05)。结论动态增强磁共振定量分析对布氏杆菌性脊柱炎的诊断和分期具有很高的价值。
关键词(KeyWords): 布氏杆菌病;脊柱炎;动态增强;定量分析;磁共振成像
基金项目(Foundation): 国家自然科学基金项目(编号:81460259)~~
作者(Author): 乔鹏飞;牛广明;
Email:
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