Table 2 Anatomic and tissue properties of cardiac metastases
|  | Heterogeneously enhancing CMET+ (n = 59) | Diffusely enhancing CMET+ (n = 53) | p |
|---|---|---|---|
Clinical characteristics | Â | Â | Â |
 Cancer etiologies |  |  |  |
  Sarcoma | 24% (14) | 15% (8) | 0.25 |
  Lung | 15% (9) | 17% (9) | 0.80 |
  Genitourinary | 19% (11) | 11% (6) | 0.28 |
  Gastrointestinal | 14% (8) | 11% (6) | 0.72 |
  Skin/Melanoma | 7% (4) | 19% (10) | 0.05 |
  Lymphoma | 3% (2) | 13% (7) | 0.08 |
  Endocrine | 10% (6) | 6% (3) | 0.50 |
 Cardiovascular risk factors |  |  |  |
  Hypertension | 42% (26) | 38% (20) | 0.50 |
  Hyperlipidemia | 27% (16) | 28% (15) | 0.89 |
  Diabetes mellitus | 10% (6) | 11% (6) | 0.84 |
  Smoking | 24% (14) | 40% (21) | 0.07 |
 Cardiopulmonary disease |  |  |  |
  Coronary artery disease | 12% (7) | 9% (5) | 0.68 |
  Atrial fibrillation/flutter | 10% (6) | 15% (8) | 0.43 |
  Pulmonary disease | 3% (2) | 2% (1) | 1.00 |
  Pulmonary hypertension | 15% (9) | 9% (5) | 0.35 |
Anatomic properties | Â | Â | Â |
 Lesion location |  |  |  |
  Left ventricle | 36% (21) | 28% (15) | 0.41 |
  Right ventricle | 34% (20) | 40% (21) | 0.53 |
  Left atrium | 20% (12) | 25% (13) | 0.60 |
  Right atrium | 24% (14) | 38% (20) | 0.11 |
  Pericardium | 32% (19) | 26% (14) | 0.50 |
  Left-sided | 53% (31) | 47% (25) | 0.57 |
  Right-sided | 49% (29) | 68% (36) | 0.04 |
  Bilateral | 17% (10) | 23% (12) | 0.45 |
  Multi-chamber | 25% (15) | 36% (19) | 0.23 |
 Intra-cavitary |  |  |  |
  Left ventricle | 9% (5) | 8% (4) | 1.00 |
  Right ventricle | 22% (13) | 25% (13) | 0.76 |
  Left atrium | 17% (10) | 21% (11) | 0.61 |
  Right atrium | 17% (10) | 26% (14) | 0.22 |
 Lesion number (1 | 2 |≥ 3) | 78% | 19% | 3% | 70% | 19% | 11% | 0.26 |
 Lesion size |  |  |  |
  Area (cm2) | 16.0 ± 20.8 | 10.1 ± 16.0 | 0.10 |
  Perimeter (cm) | 15.3 ± 11.3 | 13.3 ± 12.9 | 0.39 |
  Maximal length (cm) | 5.1 ± 3.7 | 3.7 ± 2.8 | 0.02 |
  Orthogonal length (cm) | 3.0 ± 2.0 | 2.4 ± 1.8 | 0.11 |
  Perimeter/min Length | 5.0 ± 1.7 | 7.3 ± 8.8 | 0.06 |
 Pericardial effusion | 37% (22) | 21% (11) | 0.06 |
 Tissue properties |  |  |  |
  Contrast-to-noise ratio (CNR) | 20.5 ± 15.0 | 7.4 ± 9.1 |  < 0.001 |
  Signal-to-noise ratio (SNR) | 33.1 ± 20.1 | 44.5 ± 41.2 | 0.08 |
  Blood pool normalized | 0.6 ± 0.2 | 0.8 ± 0.3 |  < 0.001 |