Pathological finding | Benign (Group 1 + 3; n = 169) | Malignant (Group2 + 4; n = 10) | |
Location (R:L) | 78:91 | 4:6 | |
Maximum diameter (mm) (mean ± SD) | 56.7 ± 23.7
(13-129) | 77.2 ± 38.6
(23-150) | |
Unilocular:Multilocular | 116:53 (69%: 31%) | 6:4 (60%: 40%) | |
T1-weighted image | Hyperintense | 169(100%) | 7 (70%) |
Isointense | 0 (0%) | 3(30%) | |
Hypointense | 0 (0%) | 3.0 ± 0.8
(2 - 5) | 2.7 ± 0.5
(2 - 3) |
Maximum thickness of septum (mean ± SD)(mm) | 2.9 ± 0.8
(1 - 5) | 3 ± 0.8
(2 - 4) | |
Mural nodules (numbers. of nodules) | 20 (29) | 9 (16) | |
Enhancement (%) (numbers. of nodules) | 17 (85%) (22) | 9 (100%) (16) | |
Numbers of mural nodules | Less than 5 | 20 | 8 |
Not less than 5 | 0 | 1 |