Role of dynamic perfusion magnetic resonance imaging in patients with local advanced rectal cancer

doi:10.3748/wjg.v26.i20.2657

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. May 28, 2020; 26(20): 2657-2668
Published online May 28, 2020. doi: 10.3748/wjg.v26.i20.2657

Table 4 Differences in terms of perfusion parameters between responders and non-responders in the tumor tissue, determines through a dynamic contrast enhanced magnetic resonance imaging study for rectal cancer restaging (MR2) after chemo-radiotherapy

DCE-MRI parameters	Responders	Non-responders	P value
RAE (mean ± SD)	54 ± 20	129 ± 45	0.02
RVE (mean ± SD)	73 ± 24	154 ± 39	< 0.05
RLE (mean ± SD)	82 ± 29	164 ± 35	< 0.05
ME (mean ± SD)	904 ± 429	1714 ± 427	0.03
TTP (mean ± SD)	218 ± 18	196 ± 23	0.15
AUC (mean ± SD)	120894 ± 50495	258022 ± 86469	0.02

DCE-MRI: Dynamic-contrast enhanced magnetic resonance imaging; RAE: Relative arterial enhancement; RVE: Relative venous enhancement; RLE: Relative late enhancement; ME: Maximum enhancement; TTP: Time to peak; AUC: Area under the curve.

Citation: Ippolito D, Drago SG, Pecorelli A, Maino C, Querques G, Mariani I, Franzesi CT, Sironi S. Role of dynamic perfusion magnetic resonance imaging in patients with local advanced rectal cancer. World J Gastroenterol 2020; 26(20): 2657-2668
URL: https://www.wjgnet.com/1007-9327/full/v26/i20/2657.htm
DOI: https://dx.doi.org/10.3748/wjg.v26.i20.2657