Endovascular Management of a Large Isolated Systemic to Pulmonary Artery Collateral (Type B Malinosculation) in a 13-Year-Old: A Case Report

Résumé fourni par la source

Type B malinosculation is a rare congenital malformation and a substrate for left-to-right shunting. We discuss a case of a 13-year-old boy with left-heart enlargement and incidental finding of a large isolated systemic arterial collateral to normal left lower lung. After review of chest computed tomography angiography chest and risk-benefit assessment, the patient underwent transcatheter occlusion. This case highlights the importance of investigating aortopulmonary collaterals as an etiology for unexplained left-heart volume overload. We also discuss different treatment strategies used in this rare condition.

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