Table 2 Diagnostic performance of MRI for differentiating OEC from HGSC
From: MRI for differentiating ovarian endometrioid adenocarcinoma from high-grade serous adenocarcinoma
MRI features | Sensitivity | Specificity | Accuracy | PPV(%) | NPV(%) |
|---|---|---|---|---|---|
Mass size (≥7.8 cm) | 80.0(20/25) | 51.8(72/139) | 56.1(92/164) | 23.0(20/87) | 93.5(72/77) |
Unilateral | 91.3(21/23) | 49.5(46/93) | 57.8(67/116) | 30.9(21/68) | 95.8(46/48) |
Round/Oval shape | 64.0(16/25) | 82.7(115/139) | 79.9(131/164) | 40.0(16/40) | 92.7(115/124) |
Mainly cystic mass | 72.0(18/25) | 81.3(113/139) | 79.9(131/164) | 40.9(18/44) | 94.2(113/120) |
Homogeneous iso-/hyperintensity* | 82.6(19/23) | 95.7(66/69) | 92.4(85/92) | 86.4(19/22) | 94.3(66/70) |
Moderate enhancement | 52.0(13/25) | 73.4(102/139) | 70.1(115/164) | 26.0(13/50) | 89.5(102/114) |
Ascites(none or mild) | 91.3(21/23) | 43.0(40/93) | 52.6(61/116) | 28.4(21/74) | 95.2(40/42) |
SPC | 43.5(10/23) | 95.7(89/93) | 85.3(99/116) | 71.4(10/14) | 87.3(89/102) |
ADC value^ | 55.0(11/20) | 94.0(109/116) | 88.2(120/136) | 61.1(11/18) | 92.4(109/118) |