Clinical Letters

1524 J Ultrasound Med 2013; 32:1515–1526


Intrapericardial Rhabdomyoma Detected Prenatally



Nitin Madan, MD, Michael Ciccolo, MD, Brian K Iriye, MD



ChildrenŐs Heart Center Nevada, 3006 S Maryland Pkwy, Ste 690, Las Vegas, NV 89109, USA.




Intrapericardial tumors, especially rhabdomyomas, are rare. Most intrapericardial tumors in fetuses and children have anechoic cystic areas, characteristic of teratomas. Rhabdomyomas are solid masses, usually with a finely speckled echocardiographic appearance. Even though rhabdomyomas are the most common prenatally detected primary cardiac tumors, they infrequently present as intrapericardial masses. Pillgram-Larsen et al described an intramural rhabdomyoma originating from the right atrium with intrapericardial extension in a young adult. We describe an unusual prenatally detected solid intrapericardial mass, confirmed postnatally to be a rhabdomyoma.


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