Table 5 Criteria for ovarian tumor characterization and their statistical analysis in our study
From: Diagnostic approach to adnexal lesions in young females in their second and third decades
Criteria | Benign N (22) | Borderline or malignant lesions N (16) | P value | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy |
|---|---|---|---|---|---|---|---|---|
Enhancement and/or vascularization on Doppler US | < 0.00001 | 87.5 | 90.9 | 87.5 | 90.9 | 89.4 | ||
Yes | 02/22 | 14/16 | ||||||
No | 20/22 | 02/16 | ||||||
Predominantly solid | 02/22 | 10/16 | 81.2 | 86.3 | 81.2 | 86.3 | 84.2 | |
Heterogeneous mixed cystic and solid | 01/22 | 03/16 | ||||||
Predominantly cystic: | 0.001 | |||||||
-thickened septate, | 19/22 | 03/16 | ||||||
papillary projection, mural nodules, vegetation | No | Yes | ||||||
low T2 of the solid components | 02/22 | 02/16 | 0.3 | |||||
Intermediate/heterogeneous T2 of the solid components | 62.5 | 66.6 | 90.9 | 25 | 63 | |||
Predominant low DWIs (not restricted) | 01/22 | 14/16 | 0.0001 | |||||
Predominant high DWIs (restricted) | ||||||||
Data not available on MRI | ||||||||
Mean ADC value | ||||||||
10/22 | 02/16 | 1 | 87.5 | 66.6 | 73.6 | 83.3 | 77.4 | |
05/22 | 14/16 | |||||||
07/22 | 0/16 | |||||||
1.49 ± 0.6 | 0.89 ± 0.5 | < 0.0001 | ||||||
Voluminous ascites | 0/22 | 03/16 | 0.03 | 18.7 | 100 | 100 | 62.8 | 65.7 |
Size of the lesion | 0.04 | 37.5 | 86.3 | 66.6 | 65.5 | 65.7 | ||
≥ 12 cm | 03/22 | 06/16 | ||||||
< 12 cm | 19/22 | 10/16 |