Volume 50, Issue 12 pp. 1365-1374
Original Article

De novo hepatocellular carcinoma in living donor liver grafts: A Japanese multicenter experience

Ryoichi Goto

Ryoichi Goto

Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Sapporo, Japan

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Yukiko Kosai-Fujimoto

Yukiko Kosai-Fujimoto

Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

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Shintaro Yagi

Shintaro Yagi

Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

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Tsuyoshi Kobayashi

Tsuyoshi Kobayashi

Department of Gastroenterological and Transplant Surgery, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan

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Nobuhisa Akamatsu

Nobuhisa Akamatsu

Division of Artificial Organ and Transplantation, Department of Surgery, University of Tokyo, Tokyo, Japan

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Tsuyoshi Shimamura

Tsuyoshi Shimamura

Division of Organ Transplantation, Hokkaido University Hospital, Sapporo, Japan

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Satoru Imura

Satoru Imura

Department of Surgery, Tokushima University, Tokushima, Japan

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Satoshi Ogiso

Satoshi Ogiso

Department of Transplantation Surgery, Nagoya University Hospital, Nagoya, Japan

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Shugo Mizuno

Shugo Mizuno

Department of Hepatobiliary Pancreatic and Transplant Surgery, Mie University Graduate School of Medicine, Mie, Japan

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Mitsuhisa Takatsuki

Mitsuhisa Takatsuki

Department of Surgery, Nagasaki University, Graduate School of Biomedical Sciences, Nagasaki, Japan

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Takasuke Fukuhara

Takasuke Fukuhara

Department of Molecular Virology, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan

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Tatsuya Kanto

Tatsuya Kanto

National Center for Global Health and Medicine Research Center for Hepatitis and Immunology, Ichikawa, Japan

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Susumu Eguchi

Susumu Eguchi

Department of Surgery, Nagasaki University, Graduate School of Biomedical Sciences, Nagasaki, Japan

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Katsuhiko Yanaga

Katsuhiko Yanaga

Department of Surgery, Jikei University School of Medicine, Tokyo, Japan

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Yasuhiro Ogura

Yasuhiro Ogura

Department of Transplantation Surgery, Nagoya University Hospital, Nagoya, Japan

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Takumi Fukumoto

Takumi Fukumoto

Department of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan

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Mitsuo Shimada

Mitsuo Shimada

Department of Surgery, Tokushima University, Tokushima, Japan

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Kiyoshi Hasegawa

Kiyoshi Hasegawa

Division of Artificial Organ and Transplantation, Department of Surgery, University of Tokyo, Tokyo, Japan

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Hideki Ohdan

Hideki Ohdan

Department of Gastroenterological and Transplant Surgery, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan

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Shinji Uemoto

Shinji Uemoto

Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

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Yuji Soejima

Yuji Soejima

Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

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Toru Ikegami

Toru Ikegami

Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

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Tomoharu Yoshizumi

Tomoharu Yoshizumi

Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

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Akinobu Taketomi

Corresponding Author

Akinobu Taketomi

Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Sapporo, Japan

Correspondence: Dr Akinobu Taketomi, Department of Gastroenterological Surgery I, Hokkaido University Hospital, N-15, W-7, Kita-ku, Sapporo 060-8638, Japan. Email: [email protected]Search for more papers by this author
Yoshihiko Maehara

Yoshihiko Maehara

Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

Kyushu Central Hospital of the Mutual Aid Association of Public School Teachers, Fukuoka, Japan

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First published: 29 August 2020
Citations: 1

Conflict of interest: The authors have no conflict of interest.

Financial support: This work was supported by Grant-in-Aid for Scientific Research from the Ministry of Health, Labour and Welfare of Japan (17fk0210107h0001).

Received 4 December 2019; revision 29 July 2020; accepted 14 August 2020.

Abstract

Aim

Direct-acting antivirals for hepatitis C virus have reduced the decompensation risk. Immunosuppressants for transplantation raise the risk of occurrence of de novo malignancies. We assessed the probabilities of and risk factors for de novo hepatocellular carcinoma (HCC) development post-living donor liver transplantation (LDLT).

Methods

We retrospectively evaluated the data of developed HCC in a graft including metastatic HCC post-LDLT from 2779 adult cases collected from nine major liver transplantation centers in Japan.

Results

Of 2779 LDLT adult recipients, 34 (1.2%) developed HCCs in their grafts. Of 34, five HCCs appeared to be de novo because of a longer period to tumor detection (9.7 [6.4–15.4] years) and no HCC within the native liver of the two recipients. The donor origin of three of five de novo HCCs was confirmed using microsatellite analysis in resected tissue. Primary disease of all five was hepatitis C virus-related cirrhosis, of which two were treated with direct-acting antivirals. Four of five developed HCC de novo in the hepatitis B core antibody-positive grafts. De novo HCCs had favorable prognosis; four of five were cured with complete remission. However, recurrent HCC (n = 29) in the graft had a poorer outcome, especially in patients with neutrophil to lymphocyte ratio scores above 4 (median survival time, 262 [19–463] days).

Conclusion

Analysis of the database from major liver transplantation institutes in Japan revealed that de novo HCCs determined by microsatellite analysis were rarely detected, but the majority were successfully treated. LDLT recipients with higher risks of de novo HCC, including those with hepatitis B core antibody-positive grafts, should be carefully followed by surveillance of the liver graft.

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