Key result
Complete excision through a transmitral approach was performed in a 12-year-old girl presenting with syncope caused by a rare left ventricular myxoma obstructing the outflow tract.
Case Report (n=1)
This case report highlights that left ventricular myxomas, although extremely rare in children, can cause syncope due to outflow tract obstruction and can be successfully excised.
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Supports feasibility of transmitral excision for obstructive pediatric LV myxoma; leaves open questions on recurrence and long-term outcomes.
Left ventricular myxoma are quite rare and have not been reported in children. We report a left ventricular myxoma arising from interventricular septum in a 12-year-old girl who presented with history of single episode of syncope while playing in school. General examination of the child did not reveal any abnormality except a grade II/VI systolic murmur in left parasternal area. Transthoracic echocardiography revealed a round pedunculated mass (18 × 30 mm) in left ventricle arising from middle of interventricular septum with a pedicle measuring 4 mm at its base. The tumour was projecting through aortic valve in systole. Syncope in this case was probably due to obstruction of left ventricular outflow tract by myxoma leading to a decrease in cardiac output. Complete excision of myxoma was done through transmitral approach.
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Kumar et al. (2011) conducted a case report in Left ventricular myxoma (n=1). Complete excision of myxoma was evaluated. Complete excision through a transmitral approach was performed in a 12-year-old girl presenting with syncope caused by a rare left ventricular myxoma obstructing the outflow tract.
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