Complementary diagnostic value of conventional ultrasound and contrast-enhanced magnetic resonance imaging for post-hepatectomy hepatocellular carcinoma surveillance

doi:10.4240/wjgs.120658

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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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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 Gastrointest Surg. Sep 27, 2026; 18(9): 120658
Published online Sep 27, 2026. doi: 10.4240/wjgs.120658

Table 4 Diagnostic performance stratified by lesion location

Lesion location	n	US sensitivity (%)	CE-MRI sensitivity (%)	P value
Superficial subcapsular	27	88.9 (70.8-97.6)	72.2 (52.8-87.3)	0.032
Deep parenchymal	41	52.4 (36.4-68.0)	95.2 (83.8-99.4)	< 0.001
Near surgical margin	18	72.2 (46.5-90.3)	88.9 (65.3-98.6)	0.045
Dome region (VII/VIII)	14	42.9 (17.7-71.1)	92.9 (66.1-99.8)	0.003
Caudate lobe (Seg I)	8	37.5 (8.5-75.5)	87.5 (47.3-99.7)	0.021
Right posterior section	12	50.0 (21.1-78.9)	91.7 (61.5-99.8)	0.008

Data are presented as sensitivity (95% confidence interval).

Superficial subcapsular: Lesions < 2 cm from the liver capsule; deep parenchymal: Lesions ≥ 2 cm from the liver capsule.

CE-MRI: Contrast-enhanced magnetic resonance imaging; Seg: Segment; US: Ultrasound.

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Citation: Deng T, Li XR. Complementary diagnostic value of conventional ultrasound and contrast-enhanced magnetic resonance imaging for post-hepatectomy hepatocellular carcinoma surveillance. World J Gastrointest Surg 2026; 18(9): 120658
URL: https://www.wjgnet.com/1948-9366/full/v18/i9/120658.htm
DOI: https://dx.doi.org/10.4240/wjgs.120658