Magnetic Resonance Imaging of Rectal Cancer

被引:25
作者
Dewhurst, Catherine E. [1 ,2 ]
Mortele, Koenraad J. [3 ,4 ,5 ]
机构
[1] Beth Israel Deaconess Med Ctr, Div Abdominal Imaging, Dept Radiol, Boston, MA 02115 USA
[2] Beth Israel Deaconess Med Ctr, Div Body MRI, Dept Radiol, Boston, MA 02115 USA
[3] Harvard Univ, Sch Med, Beth Israel Deaconess Med Ctr, Div Clin MRI, Boston, MA 02115 USA
[4] Harvard Univ, Sch Med, Beth Israel Deaconess Med Ctr, Div Abdominal Imaging, Boston, MA 02115 USA
[5] Harvard Univ, Sch Med, Beth Israel Deaconess Med Ctr, Div Body MRI, Boston, MA 02115 USA
关键词
Rectal cancer; Circumferential resection margin; Magnetic resonance imaging; CIRCUMFERENTIAL MARGIN INVOLVEMENT; APPARENT DIFFUSION-COEFFICIENT; TOTAL MESORECTAL EXCISION; HIGH-RESOLUTION MRI; NEOADJUVANT CHEMORADIATION; RADIATION-THERAPY; WEIGHTED MRI; CHEMOTHERAPY; CARCINOMA; SURVIVAL;
D O I
10.1016/j.rcl.2012.09.012
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
This article aims to discuss the anatomy of the anorectum, the MRI protocol parameters required to optimize diagnosis of rectal cancer, and the diagnostic MRI criteria essential to stage rectal cancer accurately, using the TNM staging classification. A brief review of more emerging important aspects of rectal cancer staging, such as the circumferential resection margin, extramural vascular invasion, and the staging of low rectal cancers, will also be provided. Finally, the authors will touch upon the evaluation of tumor response to neoadjuvant chemoradiation therapy in the setting of locally advanced rectal cancer.
引用
收藏
页码:121 / +
页数:13
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