Application of intraoperative laparoscopic ultrasound guidance combined with Sonazoid contrast in surgical treatment of colorectal liver metastasis

doi:10.3748/wjg.v32.i23.117597

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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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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Jun 21, 2026; 32(23): 117597
Published online Jun 21, 2026. doi: 10.3748/wjg.v32.i23.117597

Table 1 Target lesion visibility across phases

	Invisible (1-2 points)			Visible (3-5 points)
	Interference from multiple nodules caused by liver cirrhosis	Target lesion isoechoic	Target lesion ≤ 1 cm	Poor (3 points)	Good (4-5 points)
GSUS phase	39	28	14	118	82
S-CEUS arterial phase	-	4	-	54	223
S-CEUS Kupffer phase	-	-	-	17	264

GEUS: Gray-scale ultrasound; S-CEUS: S-contrast-enhanced ultrasound.

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Citation: He WT, Chen H, Li H, Li YL, Wu HR, Duan WB, Liu Y. Application of intraoperative laparoscopic ultrasound guidance combined with Sonazoid contrast in surgical treatment of colorectal liver metastasis. World J Gastroenterol 2026; 32(23): 117597
URL: https://www.wjgnet.com/1007-9327/full/v32/i23/117597.htm
DOI: https://dx.doi.org/10.3748/wjg.v32.i23.117597

He WT, Chen H, Li H, Li YL, Wu HR, Duan WB, Liu Y. Application of intraoperative laparoscopic ultrasound guidance combined with Sonazoid contrast in surgical treatment of colorectal liver metastasis. World J Gastroenterol 2026; 32(23): 117597 [DOI: 10.3748/wjg.v32.i23.117597]

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