Unresectable ectopic hepatocellular carcinoma in the left sub-diaphragmatic area and retroperitoneum treated with TACE: case report and literature review

Ectopic hepatocellular carcinoma (EHCC) demonstrates morphological and immunohistochemical features identical to conventional intrahepatic hepatocellular carcinoma (HCC), originating from ectopic liver tissue (EL), which is defined as a hepatic organ or tissue not connected to the mother liver. EHCC...

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Bibliographic Details
Main Authors: Chao-Bang Xie, Zi-Jian Tang, Yang Wu, Kai-Fei Zhao
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Cancer Biology & Therapy
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Online Access:https://www.tandfonline.com/doi/10.1080/15384047.2025.2510029
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Summary:Ectopic hepatocellular carcinoma (EHCC) demonstrates morphological and immunohistochemical features identical to conventional intrahepatic hepatocellular carcinoma (HCC), originating from ectopic liver tissue (EL), which is defined as a hepatic organ or tissue not connected to the mother liver. EHCC is a rare disease and difficult to diagnose preoperatively. Therefore, its epidemiology, treatment, and prognosis are not fully elucidated. Herein, we present a case report of a 52-year-old male diagnosed with unresectable EHCC who underwent transarterial chemoembolization (TACE) and succumbed to the disease 13 months after treatment, accompanied by a literature review summarizing the epidemiology while analyzing therapeutic strategies and prognostic outcomes in EHCC through synthesis of published case evidence.
ISSN:1538-4047
1555-8576