A rare case of ventricular tachycardia caused by an intramyocardial fibroma with successful surgical resection in an adult

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2024年9月5日

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M. Scott Binder,
Matthew Roby,
William Chancellor,
Leora Yarboro,
Scott Arnold,
Kyle Hodge,
John Kern,
David Sane

摘要

Background

Cardiac fibromas are extremely rare in adults. The preferred treatment is surgical resection, but antiarrhythmic medications or heart transplantation have also been used previously. The cardiac imaging, particularly MRI, can be useful to help delineate between primary cardiac tumors, and surgical factors such as the extent/size of the fibroma, involvement of the coronary arteries or mitral apparatus and amount of residual myocardium influence whether surgical resection is feasible.

Case presentation

A 42-year-old male presented with a wide-complex tachycardia, unresponsive to amiodarone. An echocardiogram was performed which showed a possible posterior wall mass. A cardiac MRI showed a well circumscribed lateral wall intracardiac fibroma, measuring 5.2 × 5.1 × 3.8 cm with preserved function. Surgical resection was successful, and he was discharged without a defibrillator.

Conclusions

Cardiac fibromas are encapsulated tumors which do not infiltrate myocardium and should be surgically resected if possible.