Key result
Metastatic hepatocellular carcinoma causes acute myocardial infarction via tumor embolism from the pulmonary vein.
Why the study?
Myocardial infarction in pediatric patients is rare and the causes and management, especially due to noncardiac embolic sources, require further review.
Case Report (n=1)
This case highlights a rare presentation of embolic myocardial infarction in a pediatric patient caused by tumor embolism from metastatic hepatocellular carcinoma.
A case of ST-segment elevation myocardial infarction in an adolescent patient is presented. The patient presented with resting angina and echocardiographic evidence of wall motion abnormalities in the inferior and posterior segments. The patient was known to have metastatic hepatocellular carcinoma. Tumor was seen in the left inferior pulmonary vein and is proposed to be the source of embolism-causing myocardial infarction. Secondary to intracranial metastatic lesions, the patient was treated conservatively with opiates, nitrates, and beta-blockers. This case is an opportunity to review the causes and management of myocardial infraction in pediatric patients and represents a rare cause of embolic myocardial infraction.
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Joseph R. Aragon (2003) conducted a case report in ST-segment elevation myocardial infarction (n=1). Conservative treatment (opiates, nitrates, beta-blockers) was evaluated. A 13-year-old patient with metastatic hepatocellular carcinoma developed an acute myocardial infarction, proposed to be caused by tumor embolism from the left inferior pulmonary vein.
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