前列腺穿刺对前列腺癌磁共振影像分期的影响  

The influence of needle biopsy on MRI imaging in prostate cancer

作　　者：刘建河[1] 李鸿伟[1] 李鸣[1] 郝金瑞[1] 那彦群[1] 

机构地区：[1]北京大学第一医院泌尿外科北京大学泌尿外科研究所,100034

出　　处：《中华泌尿外科杂志》2004年第2期106-107,共2页Chinese Journal of Urology

摘　　要：目的　了解磁共振影像 (MRI)检查前近期行前列腺穿刺对前列腺癌MRI分期的影响。　方法　对 10例高度怀疑前列腺癌拟行穿刺检查的患者 ,穿刺前和穿刺后 1周分别行MRI检查 ,比较穿刺前后MRI临床分期结果。　结果　患者穿刺前MRI分期均为B期 ,穿刺后 6～ 8d(平均 7d)MRI分期除 1例因前列腺外周带界限不清确切分期困难外 (B～C) ,9例均为C期 ,前列腺穿刺后近期由于穿刺局部出血 ,MRI分期较穿刺前高。　结论　前列腺穿刺后 1周内行MRI ,穿刺部位的出血可影响前列腺癌手术前的临床分期 ,对临床上可疑而拟行前列腺穿刺的患者 ,应先行影像学检查 ,以免影响前列腺癌手术前的准确分期。Objective To investigate the influence of d iagnostic needle biopsy (prior to MRI) on the magnetic resonance imaging (MRI) s taging of prostate cancer. Methods Ten patients suspicio us of prostate cancer were enrolled in this study.MRI was performed both prior t o transrectal sextant biopsy and a week after biopsy.The MRI staging of prostate cancer before and after biopsy was compared. Results Al l the 10 patients were classified as stage B before biopsy,while 9 of the 10,wer e classified as stage C 6～8 days (mean,7 days) after biopsy.The post-biopsy MR I staging was higher than that of pre-biopsy because of bleeding due to biopsy. Conclusions When MRI examination was performed within o ne week after needle biopsy,the MRI staging of prostate cancer would be influenc ed because of bleeding due to biopsy.Our data suggested that MRI should be perfo rmed prior to needle biopsy in suspicious cases of prostate cancer.

关 键 词：前列腺穿刺 前列腺癌 磁共振影像 分期 

分 类 号：R737.25[医药卫生—肿瘤]