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- Title
Prognostic MRI features to predict postresection survivals for very early to intermediate stage hepatocellular carcinoma.
- Authors
Jiang, Hanyu; Qin, Yun; Wei, Hong; Zheng, Tianying; Yang, Ting; Wu, Yuanan; Ding, Chengyu; Chernyak, Victoria; Ronot, Maxime; Fowler, Kathryn J.; Chen, Weixia; Bashir, Mustafa R.; Song, Bin
- Abstract
Objectives: Contrast-enhanced MRI can provide individualized prognostic information for hepatocellular carcinoma (HCC). We aimed to investigate the value of MRI features to predict early (≤ 2 years)/late (> 2 years) recurrence-free survival (E-RFS and L-RFS, respectively) and overall survival (OS). Materials and methods: Consecutive adult patients at a tertiary academic center who received curative-intent liver resection for very early to intermediate stage HCC and underwent preoperative contrast-enhanced MRI were retrospectively enrolled from March 2011 to April 2021. Three masked radiologists independently assessed 54 MRI features. Uni- and multivariable Cox regression analyses were conducted to investigate the associations of imaging features with E-RFS, L-RFS, and OS. Results: This study included 600 patients (median age, 53 years; 526 men). During a median follow-up of 55.3 months, 51% of patients experienced recurrence (early recurrence: 66%; late recurrence: 34%), and 17% died. Tumor size, multiple tumors, rim arterial phase hyperenhancement, iron sparing in solid mass, tumor growth pattern, and gastroesophageal varices were associated with E-RFS and OS (largest p =.02). Nonperipheral washout (p =.006), markedly low apparent diffusion coefficient value (p =.02), intratumoral arteries (p =.01), and width of the main portal vein (p =.03) were associated with E-RFS but not with L-RFS or OS, while the VICT2 trait was specifically associated with OS (p =.02). Multiple tumors (p =.048) and radiologically-evident cirrhosis (p <.001) were the only predictors for L-RFS. Conclusion: Twelve visually-assessed MRI features predicted postoperative E-RFS (≤ 2 years), L-RFS (> 2 years), and OS for very early to intermediate-stage HCCs. Clinical relevance statement: The prognostic MRI features may help inform personalized surgical planning, neoadjuvant/adjuvant therapies, and postoperative surveillance, thus may be included in future prognostic models. Key Points: • Tumor size, multiple tumors, rim arterial phase hyperenhancement, iron sparing, tumor growth pattern, and gastroesophageal varices predicted both recurrence-free survival within 2 years and overall survival. • Nonperipheral washout, markedly low apparent diffusion coefficient value, intratumoral arteries, and width of the main portal vein specifically predicted recurrence-free survival within 2 years, while the VICT2 trait specifically predicted overall survival. • Multiple tumors and radiologically-evident cirrhosis were the only predictors for recurrence-free survival beyond 2 years.
- Subjects
HEPATOCELLULAR carcinoma; CONTRAST-enhanced magnetic resonance imaging; MAGNETIC resonance imaging; MULTIPLE tumors; PORTAL vein surgery; PORTAL vein; LIVER surgery
- Publication
European Radiology, 2024, Vol 34, Issue 5, p3163
- ISSN
0938-7994
- Publication type
Article
- DOI
10.1007/s00330-023-10279-x