Table 1.

Cases reported in recent years

First author (year)	Patient age	Patient sex	Symptom	Previous medical history	Tumor site	Other findings	Tumor maximal dimension	Treatment	Known follow-up
Bin Xu [5]	9 y	F	Lost conscious	None	AV	None	1.5 cm	Autopsy	Sudden death
Min Bao [6]	2 m	F	Fever, cough	None	MV, LA	None	2.0 cm	Resection	Not mentioned
Wenzong Luo [7]	55 y	F	Chest pain	None	LVOT	None	3.0 cm	Resection and AV reconstruction	2 y, NED
Aleksejus Zorinas [8]	43 y	F	Heart failure	Multi neoplasms	LVOT	None	3.0 cm	Resection	9 m, Dead
Ming-dan Deng [9]	45 y	F	None (found by body examination)	None	IVS	None	4.0 cm	Resection	12 m, NED
Aitizaz U Syed [10]	4 m	F	PE	None	RA	None	3.0 cm	Resection	6 m, NED
Tommaso D'Angelo [11]	9 y	M	Microhematuria, fever, dyspnea, lethargy	None	RV, PV	None	3.8 cm	Resection	2 m, NED
Diego Monzón Díaz [12]	66 y	M	Headache	HBP, AF	RV	None	3.0 cm	Resection	Not mentioned
Yasemin Nuran Donmez [13]	3 m	M	Poor feeding, shortness of breath	None	Intrapericardial	PT	6.0 cm	Resection	2 y, NED
Shoken Suzuki [14]	25 y	M	None	None	LVOT	None	6.0 cm	Autopsy	Sudden death
Niranjan Vijayakumar [15]	8 y	F	Right thigh and leg pain, fever	None	MV, LV, AV	Systemic embolism	N.A	Resection	3 m, NED
Weiwei Zhu [16]	7 y	M	Syncope	None	MV	Acute cerebral infarction	2.3 cm	Resection, mitral valvuloplasty in following 8th month	6 y, NED
Lauren M. McKinney [17]	2.5 m	F	None (Detected by prenatal ultrasound)	None	RA	TOF with absent PV	N.A	Resection	13 m, NED
B. M. Soares [18]	4 m	M	Facial, cervical, and upper thoracic edema	None	RA	SVCS, PE	4.0 cm	resection	36 m, NED

AV aortic valve, F female, IVS intraventricular septum, LA left atrium, LVOT left ventricle outflow tract, m month, M male, MV mitral valve, N/A not available, NED no evidence of disease, PE pericardial effusion, PT pericardial tamponade, PV pulmonary valve, RA right atrium, RV right ventricle, SVCS superior vena cava syndrome, TOF tetralogy of Fallot, y year