Treatment of Hepatocellular Carcinoma - PubMed (original) (raw)

Treatment of Hepatocellular Carcinoma

Jonathan M. Schwartz et al. Curr Treat Options Gastroenterol. 2003 Dec.

Abstract

The incidence of hepatocellular carcinoma (HCC) is increasing in the United States. Several modalities are available for the treatment of HCC, and decisions regarding the optimal choice of therapy are based on tumor burden and severity of liver disease. Classification systems are helpful for prognostic purposes and to guide in the choice of therapy. Surgical resection is a mainstay of therapy for patients with solitary small tumors and preserved liver function (noncirrhotic or Child-Pugh class A cirrhotic patients without portal hypertension). Unfortunately, a minority of patients is eligible for resection, and postoperative recurrence or de novo HCC is common. Liver transplantation offers the best chance of curing HCC in cirrhotic patients. Patients with a solitary tumor less than 5 cm or no more than three tumors each 3 cm or less have a survival rate of 70% with less than 20% recurrence at 5 years. Access to liver transplantation is limited by organ availability, and tumor progression during the waiting period can lead to ineligibility. Ethanol injection and radiofrequency ablation are effective modalities to ablate small tumors (generally <5 cm) in patients who are not candidates for resection or liver transplantation. These modalities can also be used to treat HCC prior to liver transplantation. Transarterial chemoembolization is used to treat patients with multifocal or large HCC who are ineligible for other therapies. Chemotherapeutic agents are infused into the tumor via the hepatic artery along with embolic material in order to induce tumor necrosis. This technique should be used in selective patients with relatively preserved liver function, absence of portal vein thrombosis, or encephalopathy. Limited data exist to support the use of this modality as a primary treatment option for small HCC. Chemotherapeutic or hormonal therapies have a limited role in the management of patients with HCC. Despite mixed outcomes, we routinely use the somatostatin analog octreotide in advanced, multifocal HCC. Emerging therapies should focus on treatment of small tumors and targeted pharmacologic therapy for advanced disease.

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