Table 2.

Characteristics of primary benign cardiac tumors

Histology and location	No. of patients (% of benign)	Tumor relapse	Mean survival (months)
Benign	102 (90.3%)	3	187.2 ± 2.7
Myxoma	78 (76.5%)	3	188.4 ± 2.5
Left atrium	68 (66.6%)
Right atrium	8 (7.8%)
Information not available	2 (2.0%)
Lipomatous hypertrophy	1 (1.0%)	0
right atrial roof and superior caval vein
True lipoma	1 (1.0%)	0
right atrial septum, obstructing right atrium
Glomangioma	1 (1.0%)	0
extracardial, between left atrium and pulmonary artery
Hemangioma	2 (2.0%)	0
left atrium, anterior mitral valve leaflet	1 (1.0%)
right intralatrial septum	1 (1.0%)
Fibroelastoma	13 (12.7%)	0
pulmonary valve	1 (1.0%)
aortic valve leaflets	6 (5.9%)
mitral valve leaflets	2 (2.0%)
papillary muscle	2 (2.0%)
apex, occluding the left ventricle*	1 (1.0%)
left ventricular outflow tract (LVOT)	1 (1.0%)
Hamartoma	2 (2.0%)	0	68.5 ± 48.4
right atrium, completely obstructing	1 (1.0%)
right ventricle, completely obstructing	1 (1.0%)
hereditary paraganglioma (left atrium)**	1 (0.9%)	0

Data presented as mean ± standard deviation, n (%) or mean (range).

*Patient underwent successful heart transplantation 4 months later.

**The tumor was hormone secreting with pheochromocytoma-like symptoms. On genetic evaluation patient was found to have a succinate dehydrogenase mutation.