Table 2.
Details of the clinical and MR imaging-based characteristics of 14 histologically proven OGCTs and OTCA–FTCA in 32 patients.
| Characteristics | Category | OGCTs (n = 14) | OTCA–FTCA (n = 32) | 2/Fisher/z value | P-value |
|---|---|---|---|---|---|
| Age (years) | 49.93 ± 19.19 | 52.93 ± 12.39 | z/-0.478 | 0.632 | |
| Size (maximum) | / | 6.65 ± 4.60 | 8.08 ± 5.33 | z/-0.967 | 0.333 |
| Size (average) | / | 6.47 ± 4.74 | 7.96 ± 5.18 | z/-1.146 | 0.252 |
| Mean ADC (103 s/mm2) | / | 1.27 ± 0.37 | 1.50 ± 0.32 | z/-1.982 | 0.047 |
| ADC (103 s/mm2, ratio) | / | 0.93 ± 0.24 | 1.05 ± 0.27 | z/-1.695 | 0.090 |
| Menopause | Postmenopausal | 10 (71%) | 21 (66%) | χ 2/0.149 | 0.699 |
| Premenopausal | 4 (29%) | 11 (34%) | |||
| Endometrial hyperplasia | Present | 3 (21%) | 3 (9%) | Fisher/0.350 | 0.264 |
| Absent | 11 (79%) | 29 (91%) | |||
| T2WI intensity (solid) | Hypointense | 2 (14%) | 12 (38%) | Fisher/0.102 | 0.084 |
| Isointense | 6 (43%) | 11 (34%) | |||
| Hyperintense | 5 (36%) | 3 (9%) | |||
| Mixed signal | 1 (7%) | 6 (19%) | |||
| Location | Right | 8 (57%) | 23 (72%) | Fisher/0.495 | 0.327 |
| Left | 6 (43%) | 9 (28%) | |||
| DWI intensity (solid) | Isointense | 1 (7%) | 5 (16%) | Fisher/0.175 | 0.149 |
| Hyperintense | 1 (7%) | 9 (28%) | |||
| Mixed | 12 (86%) | 18 (56%) | |||
| Enhancement degree (solid) | Mild | 8 (57%) | 30 (94%) | χ 2/9.084 | 0.003 |
| Moderate | 6 (43%) | 2 (6%) | |||
| Marked | 0 (0%) | 0 (0%) | |||
| Degree of cystic components | None | 3 (21%) | 18 (56%) | Fisher/0.149 | 0.229 |
| <25% | 4 (29%) | 4 (13%) | |||
| 25–50% | 1 (7%) | 3 (9%) | |||
| 50%~75% | 1 (7%) | 1 (3%) | |||
| >75% | 5 (36%) | 6 (19%) | |||
| Cystic form | Small cyst | 2 (14%) | 1 (3%) | Fisher/0.006 | 0.008 |
| Large cyst | 1 (7%) | 10 (31%) | |||
| Mixed | 8 (57%) | 3 (9%) | |||
| Intratumoral hemorrhage | Present | 11 (76%) | 5 (16%) | Fisher/0.000 | 0.000 |
| Absent | 3 (24%) | 27 (84%) |