E-ISSN 1305-3612
Abdominal Imaging - Review
Multiparametric MRI in rectal cancer
1 Department of Radiology, Koç University School of Medicine, İstanbul, Turkey  
2 Department of General Surgery, Koç University School of Medicine, İstanbul, Turkey  
Diagn Interv Radiol ; : -

Abstract

MRI has a pivotal role in both the pretreatment staging and posttreatment evaluation of rectal cancer. The accuracy of MRI in the pretreatment staging is higher, when compared with posttreatment evaluation. This occurs due to similar signal intensities of tumoral and posttreatment fibrotic, necrotic, inflamed tissue. This limitation occurs with conventional MRI of the rectum with morphological sequences. There is a need towards increasing the accuracy of MRI especially for the post treatment evaluation. The term multiparametric MRI implies addition of functional sequences namely, diffusion and perfusion to the routine protocol. This review summarizes the technique, potential implications and previously published studies about multiparametric MRI of rectal cancer.

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