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Prognostic factors of gadoxetic acid-enhanced MRI for postsurgical outcomes in multicentric hepatocellular carcinoma

Authors
 Seung-Seob Kim  ;  Sunyoung Lee  ;  Myeong-Jin Kim 
Citation
 EUROPEAN RADIOLOGY, Vol.31(5) : 3405-3416, 2021-05 
Journal Title
 EUROPEAN RADIOLOGY 
ISSN
 0938-7994 
Issue Date
2021-05
MeSH
Carcinoma, Hepatocellular* / diagnostic imaging ; Carcinoma, Hepatocellular* / surgery ; Contrast Media ; Gadolinium DTPA ; Humans ; Liver Neoplasms* / diagnostic imaging ; Liver Neoplasms* / surgery ; Magnetic Resonance Imaging ; Prognosis ; Retrospective Studies ; Sensitivity and Specificity
Keywords
Gadolinium ethoxybenzyl DTPA ; Hepatocellular carcinoma ; Liver neoplasms ; Magnetic resonance imaging ; Prognosis
Abstract
Objectives: The primary aim of this study was to determine the clinical and histopathological prognostic factors for patients who underwent surgical resection of multiple hepatocellular carcinomas (HCCs) of multicentric occurrence. The secondary aim of this study was to evaluate whether specific imaging-related factors, including arterial phase hyperenhancement (APHE) and the LI-RADS category of each lesion on gadoxetic acid-enhanced MRI, would provide additional prognostic information about multicentric HCCs. Methods: In this retrospective study, 54 patients with 120 multicentric HCCs were diagnosed by surgical resection at a single tertiary hospital between 2009 and 2014. Two independent readers evaluated patients' preoperative gadoxetic acid-enhanced MR images and recorded APHE and LI-RADS category for each HCC, with discrepancies resolved through consensus sessions if necessary. Potential clinicopathologic and imaging parameters for predicting disease-free survival (DFS) and overall survival (OS) were analyzed using Cox regression analysis. Results: Presence of microvascular invasion (MVI) (p = 0.003) and of three or more HCCs (p = 0.013) were both independent predictors of a shorter DFS. Patients with concurrent MVI and three or more HCCs had the shortest DFS. MVI was the only statistically significant parameter (p = 0.023) predicting OS. The number of HCCs with APHE or LR-5/M category was not associated with survival. Conclusions: Presence of MVI and of three or more HCCs were associated with poorer outcomes after surgical resection of multicentric HCCs. Imaging parameters on gadoxetic acid-enhanced MRI such as APHE or LI-RADS category were not associated with postsurgical outcomes. Key points: • Patients with three or more hepatocellular carcinomas showed worse disease-free survival than those with two hepatocellular carcinomas after surgical resection. • Microvascular invasion was the only significant factor to affect both the disease-free and overall survivals of patients after surgical resection of multicentric hepatocellular carcinomas. • Preoperative MRI findings related to multicentric hepatocellular carcinomas such as arterial phase hyperenhancement and LI-RADS category of lesions did not provide significant prognostic information.
Full Text
https://link.springer.com/article/10.1007%2Fs00330-020-07419-y
DOI
10.1007/s00330-020-07419-y
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Myeong Jin(김명진) ORCID logo https://orcid.org/0000-0001-7949-5402
Kim, Seung-seob(김승섭) ORCID logo https://orcid.org/0000-0001-6071-306X
Lee, Sunyoung(이선영) ORCID logo https://orcid.org/0000-0002-6893-3136
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182915
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