Table 3 Sonographic characteristics with different histopathologic types
Ultrasound Factors | thecoma-fibroma | thecoma | Cell-rich thecoma | fibroma | S-LCTs (Well differentiated) | S-LCTs (Moderate differentiation) | LCTs | OGCTs | OSCTs-NOS | SSTs |
|---|---|---|---|---|---|---|---|---|---|---|
Location | ||||||||||
unilateral | 30(1.00) | 2(1.00) | 2(1.00) | 8(1.00) | 3(1.00) | 3(1.00) | 4(1.00) | 8(1.00) | 2(1.00) | 1(1.00) |
Bilateral | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) |
Tumor size (mm) | 51.57± 45.342 | 39.00 ± 35.355 | 73.50 ± 23.577 | 24.25 ± 10.899 | 23.3± 4.163 | 41.33± 20.984 | 21.0 ± 9.381 | 82.8 ± 39.561 | 27.0 ± 0.00 | 55 |
Echogenicity | ||||||||||
Hypoechoic | 24(0.80) | 2(1.00) | 1(0.50) | 8(1.00) | 1(0.33) | 3(1.00) | 1(0.25) | 4(0.50) | 2(1.00) | 1(1.00) |
Iso-echoic | 2(0.07) | 0(0.00) | 0(0.00) | 0(0.00) | 2(0.67) | 0(0.00) | 3(0.75) | 4(0.50) | 0(0.00) | 0(0.00) |
Hyperechoic | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) |
Mixed-echoic | 4(0.13) | 0(0.00) | 1(0.50) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) |
Form | ||||||||||
Irregular | 14(0.47) | 1(0.50) | 2(1.00) | 4(0.50) | 0(0.00) | 2(0.67) | 1(0.25) | 4(0.50) | 0(0.00) | 0(0.00) |
Regular | 16(0.53) | 1(0.50) | 0(0.00) | 4(0.50) | 3(1.00) | 1(0.33) | 3(0.75) | 4(0.50) | 2(1.00) | 1(1.00) |
Boundary | ||||||||||
Clear | 29(0.97) | 1(0.50) | 1(0.50) | 1(0.13) | 1(0.33) | 2(0.67) | 3(0.75) | 7(0.88) | 1(0.50) | 1(1.00) |
Not clear | 1(0.03) | 1(0.50) | 1(0.50) | 7(0.87) | 2(0.67) | 1(0.33) | 1(0.25) | 1(0.13) | 1(0.50) | 0(0.00) |
Posterior echo attenuation | ||||||||||
Yes | 22(0.73) | 0(0.00) | 0(0.00) | 6(0.75) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) |
No | 8(0.27) | 2(1.00) | 2(1.00) | 2(0.25) | 3(1.00) | 3(1.00) | 4(1.00) | 8(1.00) | 2(1.00) | 1(1.00) |
Doppler flow signal | ||||||||||
Score 1(None) | 11(0.37) | 0(0.00) | 1(0.50) | 5(0.63) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) |
Score 2(Minimal) | 12(0.40) | 0(0.00) | 0(0.00) | 2(0.25) | 0(0.00) | 1(0.33) | 0(0.00) | 1(0.13) | 0(0.00) | 0(0.00) |
Score3(Moderate) | 5(0.17) | 1(0.50) | 0(0.00) | 0(0.00) | 1(0.33) | 0(0.00) | 0(0.00) | 1(0.13) | 0(0.00) | 0(0.00) |
Score4(Abundant) | 2(0.07) | 1(0.50) | 1(0.50) | 1(0.13) | 2(0.67) | 2(0.67) | 4(1.00) | 6(0.75) | 2(1.00) | 1(1.00) |
RI | 0.55± 0.153 | 0.49 | 0.35 | 0.55 ± 0.101 | 0.51± 0.050 | 0.41± 0.085 | 0.61 ± 0.097 | 0.54 ± 0.091 | 0.48 ± 0.057 | 0.34 |
Fluid in pouch of Douglas but no ascites (n) | ||||||||||
Yes | 18(0.60) | 1(0.50) | 1(0.50) | 4(0.50) | 1(0.33) | 2(0.67) | 2(0.50) | 2(0.25) | 1(0.50) | 1(1.00) |
No | 12(0.40) | 1(0.50) | 1(0.50) | 4(0.50) | 2(0.67) | 1(0.33) | 2(0.50) | 6(0.75) | 1(0.50) | 0(0.00) |
Ascites (n) | ||||||||||
Yes | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 0(0.00) | 1(0.13) | 0(0.00) | 0(0.00) |
No | 30(1.00) | 2(1.00) | 2(1.00) | 8(1.00) | 3(1.00) | 3(1.00) | 4(1.00) | 7(0.88) | 2(1.00) | 1(1.00) |
Total | 30 | 2 | 2 | 8 | 3 | 3 | 4 | 8 | 2 | 1 |