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KMID : 0371420231050010047
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Annals of Surgical Treatment and Research
2023 Volume.105 No. 1 p.47 ~ p.56
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Recurrence in patients with totally necrotic nodules of hepatocellular carcinoma after liver transplantation: “totally” an inaccurate description
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Kim Ji-Young
Hong Suk-Kyun
Kim Jae-Yoon
Lee Jae-Won
Choi Hyun-Hwa
Lee So-La
Hong Su-Young
Lee Jeong-Moo
Choi Young-Rok
Yi Nam-Joon
Lee Kwang-Woong
Suh Kyung-Suk
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Abstract
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Purpose : Total necrosis of hepatocellular carcinoma (HCC) achieved via locoregional treatment (LRT) is considered to indicate a lack of tumor viability. Nonetheless, there is insufficient evidence of recurrence after liver transplantation (LT) in patients with such a status. The aim of this study was to investigate the prognosis of patients diagnosed with totally necrotic nodules upon explant hepatectomy after LT.
Methods : We conducted a retrospective study of patients diagnosed with totally necrotic nodules after LT for HCC. A total of 165 patients with HCC who underwent living- or deceased-donor LT from 2000 to 2020 in our hospital were included.
Results : A total of 5 patients (3.0%) exhibited HCC recurrence during a median follow-up of 84 months (range, 4?243 months) after LT. The 5-year overall and recurrence-free survival rates of these patients were 92.8% and 92.2%, respectively. Four patients in the HCC-recurrence group (80.0%) died even after further treatment, including transarterial chemoembolization, surgery, and systemic treatment. Both univariate and multivariate analyses of clinicopathological factors identified a maximum diameter of the totally necrotic nodules of >5 cm as the only factor associated with tumor recurrence following LT (P = 0.005 and P = 0.009, respectively).
Conclusion : Total necrosis of HCC via LRT yielded excellent survival outcomes for patients undergoing LT. Nevertheless, patients with large tumors should be considered at high risk of recurrence after LT, suggesting the need for their active surveillance during the follow-up period.
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KEYWORD
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Hepatocellular carcinoma, Liver transplantation
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