Table 2 Quantitative analysis of dual-energy CT and MRI findings for cardiac tumors and thrombi.

From: Quantitative Analysis of a Whole Cardiac Mass Using Dual-Energy Computed Tomography: Comparison with Conventional Computed Tomography and Magnetic Resonance Imaging

 

Cardiac tumors (n = 24)

Cardiac thrombi (n = 19)

P value (tumors vs. thrombi)

Lymphoma (n = 4)

Metastasis (n = 5)

Myxoma (n = 9)

Other* (n = 6)

All (n = 24)

Volume (cm3)

32.14 ± 8.77

36.50 ± 7.84

24.24 ± 5.84

9.89 ± 7.16

24.52 ± 3.76

3.98 ± 4.22

<0.001

CT attenuation value (HU)

94.63 ± 21.11

88.60 ± 18.88

74.11 ± 14.08

44.02 ± 17.24

73.03 ± 8.78

74.50 ± 9.87

0.912

Iodine concentration (mg/mL)

3.04 ± 0.58

2.96 ± 0.52

3.33 ± 0.39

2.43 ± 0.47

2.98 ± 0.23

1.79 ± 0.26

0.002

SI ratio†

4.13 ± 2.76

3.31 ± 3.39

10.30 ± 1.95

5.92 ± 2.14

6.90 ± 0.12

1.43 ± 0.14

0.008

  1. Note: Estimated mean ± SE (standard error) by the mixed effects model.
  2. *Other tumor included cavernous hemangioma (n = 2), lipoma (n = 2), angiofibroma (n = 1), and papillary fibroelastoma (n = 1).
  3. †For SI ratio, sample size was 16 for cardiac tumors and 12 for cardiac thrombi.
  4. HU, Hounsfield units; SI, signal intensity.
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