Table 1 Diagnostic performance of significant echocardiography and CMR parameters for the detection of malignancy and tumor on pathology

Echocardiography

Tumor (n=31)

1. Location outside the right atrium

72.7% (32/44)

71.0% (22/31)

76.9% (10/13)

88.0% (22/25)

52.6% (10/19)

2. Location outside the atria and ventricles

50.0% (22/44)

29.0% (9/31)

100% (13/13)

100% (9/9)

37.1%(13/35)

Malignant Tumor (n=17)

1. Location outside the atria and ventricles

77.3% (34/44)

47.1% (8/17)

96.3% (26/27)

88.9% (8/9)

74.3% (26/35)

2. Non-Mobility

72.7% (32/44)

82.5% (14/17)

66.7% (18/27)

60.9% (14/23)

85.7% (18/21)

3. Pericardial effusion

75.0% (33/44)

52.9% (9/17)

88.9% (24/27)

75.0% (9/12)

75.0% (24/32)

CMR

Tumor (n=35)

1. Location outside the right atrium

72.0% (36/50)

77.1% (27/35)

60.0% (9/15)

81.8% (27/33)

52.9% (9/17)

2. T2 Hyperintensity or Mixed Pattern

76.0% (38/50)

88.6% (31/35)

46.7% (7/15)

79.5% (31/39)

63.6% (7/11)

3. Contrast Enhancement on First Pass

86.0% (43/50)

82.9% (29/35)

93.3% (14/15)

96.7% (29/30)

70.0% (14/20)

4. Late Gadolinium Enhancement

86.0% (43/50)

85.7% (30/35)

86.7% (13/15)

93.8% (30/32)

72.2% (13/18)

Malignant Tumor (n=21)

1. Location outside the atria and ventricles

76.0% (38/50)

61.9% (13/21)

86.2% (25/29)

76.5% (13/17)

75.8% (25/33)

2. Non-Mobility

78.0% (39/50)

95.2% (20/21)

65.5% (19/29)

66.7% (20/30)

95.0% (19/20)

3. Contrast Enhancement on First Pass

70.0% (35/50)

85.7% (18/21)

58.6% (17/29)

60.0% (18/30)

85.0% (17/20)

4. Late Gadolinium Enhancement

66.0% (33/50)

85.7% (18/21)

51.7% (15/29)

56.3% (18/32)

83.3% (15/18)

5. Myocardial Invasion

72.0% (36/50)

33.3% (7/21)

100% (29/29)

100% (7/7)

67.4% (29/43)

6. Pericardial Effusion

76.0% (38/50)

47.6% (10/21)

96.6% (28/29)

90.9% (10/11)

71.8% (28/39)