Giant hepatocellular carcinoma with bone metastasis in a young adult, emerged from pigmented adenoma with beta-Catenin activation: A case report.

Giant hepatocellular carcinoma with bone metastasis in a young adult, emerged from pigmented adenoma with beta-Catenin activation: A case report.

Int J Surg Case Rep. 2017 May 03;36:18-21

Authors: Lünse S, Döring P, Heidecke CD, Partecke LI

Abstract
INTRODUCTION: Hepatocellular carcinomas (HCC) that are very large in size are a very rare finding in young adult. The malignant transformation of a pigmented hepatocellular adenoma (HCA) with beta-Catenin activation is a possible cause for appearance of HCC.
PRESENTATION OF CASE: We present the case of a 33-year-old male with a huge HCC with bone metastasis, emerged from pigmented HCA with beta-Catenin activation. As a two-stage surgical procedure, a left hepatectomy followed by a partial rib resection was performed.
DISCUSSION: Giant hepatocellular carcinomas mostly develop in non-cirrhotic livers and at time of diagnosis an extrahepatic spread occurs in up to 15%. In the present case, the progression from a benign HCA to malignant HCC was documented, as a unique finding. Surgical resection is the only curative treatment and was successfully performed in this case.
CONCLUSION: Hepatobiliary surgery with resection of metastases is the treatment with best long-term survival for patients with huge HCC. Molecular characterization as well as pigmentation analysis is useful tools for risk assessment of HCA.

PMID: 28505585 [PubMed - as supplied by publisher]

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