AIM: We report the case of a patient with hepatocellular carcinoma submitted to liver transplantation, who subsequently manifested tumor recurrence initially as brain metastasis. CASE DESCRIPTION: A 48-year-old male cirrhotic patient with hepatitis C infection, and two focal hepatic lesions, had a cytologic and histologic diagnosis of hepatocellular carcinoma. Before transplant, he was submitted to adjuvant treatment with a combination of arterial embolization and intratumoral ethanol injection. In the 3rd month post-liver transplantation, the patient developed headache, nausea and vomiting, without any neurological impairment. Brain computed tomography and magnetic resonance imaging identified an expansive hypervascular lesion with internal bleeding. Evaluation of the surgical explant revealed macroscopic invasion of portal vessels. CONCLUSION: Brain metastasis of a hepatocellular carcinoma after liver transplantation may occur. This metastasis may have occurred before or soon after the transplant. Patients with hepatocellular carcinoma, awaiting liver transplant, should be screened for cerebral metastasis. Vascular invasion may indicate hematogenic dissemination of the tumor.
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