Diffuse hepatocellular carcinoma secondary to cardiac cirrhosis in heterotaxy syndrome.

Heterotaxy syndrome is a rare congenital defect of left-right laterality of major visceral organs, often categorised by the presence of symmetric left or right atrial heart chambers with a single effective ventricle. Known as left or right atrial isomerism, these conditions may present with a distinct pattern of extracardiac anomalies. Heterotaxy is often palliated with the Fontan procedure and is suggested to be subject to similar long-term sequelae of congestive hepatopathy and ischaemia, increasing the risk for hepatocellular carcinoma. Few works document primary, localised hepatocellular carcinoma in patients with heterotaxy syndrome. We present a case of diffuse, multifocal metastatic hepatocellular carcinoma in a young patient with left atrial isomerism and dextrocardia. We also review suggested guidelines of surveillance for liver disease and hepatocellular carcinoma in this patient population.

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Competing interests: None declared.