Correlation of dynamic contrast-enhanced ultrasonography and the Ki-67 labelling index in pancreatic ductal adenocarcinoma

doi:10.3748/wjg.v30.i44.4697

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Nov 28, 2024 (publication date) through Jan 9, 2025

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World Journal of Gastroenterology

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1007-9327

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World J Gastroenterol. Nov 28, 2024; 30(44): 4697-4708
Published online Nov 28, 2024. doi: 10.3748/wjg.v30.i44.4697

Table 5 Correlation study of quantitative dynamic contrast-enhanced ultrasonography parameters with Ki-67 expression in patients with pancreatic ductal adenocarcinoma

Parameters	Ki-67 expression
Parameters	r value	P value
rCAT	-0.167	0.377
rFT	0.307	0.099
rHDT	0.439	0.015^a
rPE	-0.416	0.022^a
rRT	0.315	0.090
rTTP	0.338	0.068
rWiAUC	-0.276	0.140
rWiPI	-0.408	0.025^a
rWiR	-0.392	0.032^a
rWiWoAUC	-0.175	0.355
rWoAUC	-0.152	0.424
rWoR	-0.276	0.140
rmTT	0.144	0.448

^aP < 0.05.

rCAT: Relative contrast agent arrival time; rPE: Relative peak enhancement; rHDT: Relative half-decrease time; rFT: Relative fall time; rRT: Relative rise time; rTTP: Relative time to peak; rWiAUC: Relative wash-in area under the curve; rWiPI: Relative wash-in perfusion index; rWiR: Relative wash-in rate; rWoAUC: Relative wash-out area under the curve; rWoR: Relative wash-out rate; rWiWoAUC: Relative wash-in and wash-out area under the curve; rmTT: Relative mean transit time.

Citation: Lin XJ, Zhu S, Wang D, Chen JY, Wei SX, Chen SY, Luo HC. Correlation of dynamic contrast-enhanced ultrasonography and the Ki-67 labelling index in pancreatic ductal adenocarcinoma. World J Gastroenterol 2024; 30(44): 4697-4708
URL: https://www.wjgnet.com/1007-9327/full/v30/i44/4697.htm
DOI: https://dx.doi.org/10.3748/wjg.v30.i44.4697