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Table 2 Characteristics of primary benign cardiac tumors

From: Primary cardiac tumors on the verge of oblivion: a European experience over 15 years

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  
  1. Data presented as mean ± standard deviation, n (%) or mean (range).
  2. *Patient underwent successful heart transplantation 4 months later.
  3. **The tumor was hormone secreting with pheochromocytoma-like symptoms. On genetic evaluation patient was found to have a succinate dehydrogenase mutation.