Table 1. Preoperative diagnosis based on endometrial biopsy, pelvic MRI and FDG-PET/CT, and corresponding final histological diagnosis at hysterectomy in patients with CAH and EECG1.
| Postoperative diagnosis from hysterectomy specimen | |||
|---|---|---|---|
| Preoperative diagnosis from endometrial biopsy, n (%) n=238 | CAH (n=110) n (%) | EECG1 (n=128) n (%) | p-valuea |
| CAH, n=74 (31) | 71 (96) | 3 (4) | <0.001 |
| Inconclusive, n=68 (29) | 39 (57) | 29 (43) | |
| EECG1, n= 96 (40) | 0 (0) | 96 (100) | |
| MRI finding n=117 | CAH (n=23) n (%) | EECG1 (n=94) n (%) | p-valueb |
| No or barely visible tumor | 9 (39) | 0 (0) | <0.001 |
| Visible tumor | 14 (61) | 94 (100) | |
| Myometrial invasion | |||
| No or <50% | 23 (100) | 63 (67) | 0.001 |
| >50% | 0 (0) | 31 (33) | |
| Cervical stroma infiltration | |||
| No | 23 (100) | 88 (94) | 0.60 |
| Yes | 0 (0) | 6 (6) | |
| Enlarged pelvic lymph nodes | |||
| No | 21 (91) | 92 (98) | 1.0 |
| Yes | 2(9)c | 2 (2) | |
| FDG-PET/CT finding n=69 | CAH (n=10) n (%) | EECG1 (n=59) n (%) | p-valueb |
| No visible tumor | 4 (40) | 1 (2) | 0.001 |
| Increased tumor avidity | 6 (60) | 58 (98) | |
| Cervical FDG-avidity | |||
| No | 10 (100) | 48 (81) | 0.40 |
| Yes | 0 (0) | 11 (19) | |
| Enlarged FDG avid lymph nodes | |||
| No | 9 (90) | 56 (95) | 0.50 |
| Yes | 1 (10)d | 3 (50) | |
aPearson Chi-Square test. bFisher's Exact Test. cTwo patients with lymphadenopathy in the pelvis and groin due to lymphoma. dOne patient with enlarged lymph nodes due to lymphoma. Significant p-values are given in bold.