医学
磁共振成像
放射科
灌注
磁共振弥散成像
组织病理学
结直肠癌
核医学
癌症
病理
内科学
作者
Vincenza Granata,Roberta Fusco,S. Setola,Diletta Cozzi,Daniela Rega,Antonella Petrillo
标识
DOI:10.1053/j.sult.2023.02.002
摘要
The assessment of tumor response, after neoadjuvant radiochemotherapy (n-CRT), permits the stratification of patients for the proper therapeutical management. Although histopathology analysis of the surgical speciemen is considered the gold standard for assessing tumor response, magnetic resonance imaging (MRI), with its significant developments in technical imaging, have allowed an increase in accuracy for the evaluation of response. MRI provides a radiological tumor regression grade (mrTRG) that is correlated with the pathologic tumor regression grade (pTRG). Functional MRI parameters have additional impending in early prediction of the efficacy of therapy. Some of functional methodologies are already part of clinical practice: diffusion-weighted MRI (DW-MRI) and perfusion imaging (dynamic contrast enhanced MRI [DCE-MRI]).
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