Quantitative evaluation for preoperative clinical stage of colorectal cancer using dynamic contrast-enhanced magnetic resonance imaging

doi:10.4240/wjgs.v17.i11.109361

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World Journal of Gastrointestinal Surgery

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1948-9366

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

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World J Gastrointest Surg. Nov 27, 2025; 17(11): 109361
Published online Nov 27, 2025. doi: 10.4240/wjgs.v17.i11.109361

Table 1 The values of volume transfer constant, rate constant, or extravascular extracellular volume fraction in the colorectal cancer and benign tumor group

Group	Case	Ktrans (minute^-1)	Kep (minute^-1)	Ve (%)
CRC	46	1.03 ± 0.28	2.31 ± 0.34	0.59 ± 0.11
Benign tumor	40	0.72 ± 0.24	2.02 ± 0.30	0.50 ± 0.06
t		5.469	4.165	4.610
P value		< 0.001	< 0.001	< 0.001

Ktrans: Volume transfer constant; Kep: Rate constant; Ve: Extravascular extracellular volume fraction; CRC: Colorectal cancer.

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Citation: Guo LH, Qin W, Ou-Yang XH, Wang YX. Quantitative evaluation for preoperative clinical stage of colorectal cancer using dynamic contrast-enhanced magnetic resonance imaging. World J Gastrointest Surg 2025; 17(11): 109361
URL: https://www.wjgnet.com/1948-9366/full/v17/i11/109361.htm
DOI: https://dx.doi.org/10.4240/wjgs.v17.i11.109361

Guo LH, Qin W, Ou-Yang XH, Wang YX. Quantitative evaluation for preoperative clinical stage of colorectal cancer using dynamic contrast-enhanced magnetic resonance imaging. World J Gastrointest Surg 2025; 17(11): 109361 [PMID: 41357657 DOI: 10.4240/wjgs.v17.i11.109361]

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