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17.05.2024 | Hepatobiliary

Multiparametric MRI manifestations of the spontaneous intratumoral coagulative necrosis in HCC

verfasst von: Liping Zuo, Mingyuan Hou, Jinlei Fan, Fangxuan Li, Bowen Wang, Qian Zhao, Yanmin Yang, Deixin Yu

Erschienen in: Abdominal Radiology

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Abstract

Purpose

To investigate the MRI manifestations of the spontaneous intratumoral coagulative necrosis (iCN) in patients with hepatocellular carcinoma (HCC) and its value in predicting the postoperative early recurrence (≤ 2 years).

Methods

Patients with HCC who underwent preoperative multiparametric MRI between January 2015 and February 2019 were enrolled in this retrospective study. The MRI manifestations of iCNs on TIWI, T2WI, and ADC were recorded. The sensitivity and specificity of MRI for the detection of iCNs were also evaluated. A multivariable Cox proportional hazards model and the Kaplan–Meier method were used to verify the value of histologically-confirmed and MRI-identified iCNs, respectively, in predicting early recurrence.

Results

A total of 163 patients (median age, 56 years; interquartile range, 49–64 years; 139 men) with HCCs were evaluated, of whom 27(16.6%) had histologically-confirmed iCNs. MRI identified 92.6% (25 of 27; 95% confidence interval [CI] 74.2%, 98.7%) of iCNs (sensitivity), with a specificity of 79.4% (78 of 136; 95% CI 71.4%, 85.7%), based on non-enhancement on post-contrast MRI. And the MRI-identified iCNs were characterized by a similar appearance to surrounding tumour tissue shown on pre-contrast MRI but not enhanced on post-contrast MRI. The multivariable Cox proportional hazards model revealed that only the presence of histologically-confirmed iCN was independently associated with early HCC recurrence (hazard ratio = 2.73; 95% CI 1.20, 6.21; P = 0.017). The Kaplan–Meier curve showed that the presence of MRI-identified iCN was also associated with early recurrence (P < 0.001).

Conclusion

Multiparametric MRI identified iCNs with high sensitivity and modest specificity. The presence of iCNs is associated with early HCC recurrence.

Graphical Abstract

Literatur
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Metadaten
Titel
Multiparametric MRI manifestations of the spontaneous intratumoral coagulative necrosis in HCC
verfasst von
Liping Zuo
Mingyuan Hou
Jinlei Fan
Fangxuan Li
Bowen Wang
Qian Zhao
Yanmin Yang
Deixin Yu
Publikationsdatum
17.05.2024
Verlag
Springer US
Erschienen in
Abdominal Radiology
Print ISSN: 2366-004X
Elektronische ISSN: 2366-0058
DOI
https://doi.org/10.1007/s00261-024-04355-z

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