A giant left atrial myxoma transits across patent foramen ovale a PFO mimicking biatrial myxoma: a case report.

Multiple myxomas have been reported in certain cases of Carney syndrome. A single left atrial myxoma that passes through an atrial septal defect or a PFO can sometimes be misdiagnosed as a bilateral atrial myxoma. Echocardiography plays a crucial role in providing diagnostic information by accurately identifying the location of the myxoma pedicle.