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Transitions of Liver and Biliary Enzymes during Proton Beam Therapy for Hepatocellular Carcinoma
Article

Do Biliary Complications after Proton Beam Therapy for Perihilar Hepatocellular Carcinoma Matter?

1
Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
2
Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
3
Department of Internal Medicine (Division of Hematology-Oncology), Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
4
Department of Internal Medicine (Division of Gastroenterology), Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
5
Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
*
Author to whom correspondence should be addressed.
These authors contributed equally to this manuscript as the first authors.
Cancers 2020, 12(9), 2395; https://doi.org/10.3390/cancers12092395
Received: 23 July 2020 / Revised: 13 August 2020 / Accepted: 17 August 2020 / Published: 24 August 2020
(This article belongs to the Special Issue Radiotherapy for Hepatocellular Carcinoma)
We aimed to evaluate the biliary complications and efficacy of proton beam therapy (PBT) for hepatocellular carcinoma (HCC). We retrospectively analyzed 167 patients who received PBT with ≥ 75 GyRBE of biological effective dose with ?/β = 10 for primary HCC. The perihilar region was defined as a 1-cm area extending from the right, left, and common hepatic ducts, including the gallbladder and cystic duct. PBT-related biliary complications were defined as follows: significant elevation in bilirubin level to > 3.0 mg/dL; elevation to more than twice of the baseline level after the completion of PBT; or newly developed radiological biliary abnormalities, which were not caused by HCC progression, comorbidities, or other treatments. Eighty (47.9%) had perihilar HCC. PBT-related events occurred in seven (4.2%), three of whom had perihilar HCC. Radiologic biliary abnormalities developed in 12 patients (7.2%); however, no events were PBT-related. All patients who experienced PBT-related biliary complications had underlying liver cirrhosis. The albumin-bilirubin grade was identified as an independent factor associated with PBT-related biliary complications. PBT at the current dose showed a low rate of PBT-related biliary complications even for patients with perihilar HCC. PBT for HCC patients with risk factors requires attention to reduce PBT-related biliary complications. View Full-Text
Keywords: proton beam therapy; hepatocellular carcinoma; perihilar region; biliary complication; local control; overall survival proton beam therapy; hepatocellular carcinoma; perihilar region; biliary complication; local control; overall survival
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MDPI and ACS Style

Yoo, G.S.; Yu, J.I.; Park, H.C.; Hyun, D.; Jeong, W.K.; Lim, H.Y.; Choi, M.S.; Ha, S.Y. Do Biliary Complications after Proton Beam Therapy for Perihilar Hepatocellular Carcinoma Matter? Cancers 2020, 12, 2395. https://doi.org/10.3390/cancers12092395

AMA Style

Yoo GS, Yu JI, Park HC, Hyun D, Jeong WK, Lim HY, Choi MS, Ha SY. Do Biliary Complications after Proton Beam Therapy for Perihilar Hepatocellular Carcinoma Matter? Cancers. 2020; 12(9):2395. https://doi.org/10.3390/cancers12092395

Chicago/Turabian Style

Yoo, Gyu S., Jeong I. Yu, Hee C. Park, Dongho Hyun, Woo K. Jeong, Ho Y. Lim, Moon S. Choi, and Sang Y. Ha 2020. "Do Biliary Complications after Proton Beam Therapy for Perihilar Hepatocellular Carcinoma Matter?" Cancers 12, no. 9: 2395. https://doi.org/10.3390/cancers12092395

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