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Response Assessment with MRI after Chemoradiotherapy in Rectal Cancer: Current Evidences

 Nieun Seo  ;  Honsoul Kim  ;  Min Soo Cho  ;  Joon Seok Lim 
 Korean Journal of Radiology, Vol.20(7) : 1003-1018, 2019 
Journal Title
 Korean Journal of Radiology 
Issue Date
Magnetic resonance imaging ; Neoadjuvant chemoradiotherapy ; Pathological complete response ; Rectal cancer ; Tumor response
Baseline magnetic resonance imaging (MRI) has become the primary staging modality for surgical plans and stratification of patient populations for more efficient neoadjuvant treatment. Patients who exhibit a complete response to chemoradiotherapy (CRT) may achieve excellent local tumor control and better quality of life with organ-preserving treatments such as local excision or even watch-and-wait management. Therefore, the evaluation of tumor response is a key factor for determining the appropriate treatment following CRT. Although post-CRT MRI is generally accepted as the first-choice method for evaluating treatment response after CRT, its application in the clinical decision process is not fully validated. In this review, we will discuss various oncologic treatment options from radical surgical technique to organ-preservation strategies for achieving better cancer control and improved quality of life following CRT. In addition, the current status of post-CRT MRI in restaging rectal cancer as well as the main imaging features that should be evaluated for treatment planning will also be described for the tailored treatment.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Seo, Nieun(서니은) ORCID logo https://orcid.org/0000-0001-8745-6454
Lim, Joon Seok(임준석) ORCID logo https://orcid.org/0000-0002-0334-5042
Cho, Min Soo(조민수)
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