Table 1 MRI morphological features of OEC versus HGSC
From: MRI for differentiating ovarian endometrioid adenocarcinoma from high-grade serous adenocarcinoma
Morphological features | OEC (n = 25) | HGSC (n = 139) | P value |
|---|---|---|---|
Laterality^ | 0.000 | ||
Bilateral | 2 (8.7%) | 46 (49.5%) | |
Unilateral | 21 (91.3%) | 47 (50.5%) | |
Shape | 0.000 | ||
Round/oval | 16 (64.0%) | 24 (17.3%) | |
Lobulated | 6 (24.0%) | 26 (18.7%) | |
Irregular | 3 (12.0%) | 89 (64.0%) | |
Configuration | 0.000 | ||
Cystic with mural nodules or papilla | 18 (72.0%) | 26 (18.7%) | |
Mixed cystic-solid | 5 (20.0%) | 43 (31.0%) | |
Solid | 2 (8.0%) | 70 (50.3%) | |
SI of solid component on T1WI | 0.343 | ||
Iso-/hypointense | 24 (96.0%) | 121 (87.1%) | |
Mainly iso- with hyperintense | 1 (4.0%) | 18 (12.9%) | |
SI of solid component on T2WI | 0.576 | ||
Isointense | 3 (12.0%) | 9 (6.5%) | |
Heterogeneous hyperintense | 22 (88.0%) | 130 (93.5%) | |
SI of cystic component on T1WI | 0.000 | ||
Homogeneous hypointense | 4 (17.4%) | 46 (66.7%) | |
Homogeneous iso-/hyperintense | 19 (82.6%) | 3 (4.3%) | |
Mainly hypo- with iso-/hyperintense | 0 | 20 (29.0%) | |
SI of cystic component on T2WI | 0.751 | ||
Homogeneous hyperintense | 18 (78.3%) | 58 (84.1%) | |
Mixed signal* | 5 (21.7%) | 11 (15.9%) | |
Enhancement | 0.011 | ||
Moderate | 13 (52.0%) | 37 (26.6%) | |
Marked | 12 (48.0%) | 102 (73.4%) | |
Ascites^ | 0.002 | ||
None or mild | 21 (91.3%) | 53 (57.0%) | |
Moderate or severe | 2 (8.7%) | 40 (43.0%) | |
SPC^ | 10 (43.5%) | 4 (4.3%) | 0.000 |