Background
Methods
Patients
Equipment and data acquisition
Images analysis and classification of lesions
ABVS images
UE images
Score | Chromatic code | Possible lesions |
---|---|---|
1
| Entirely pink | Prevalently elastic: prevalently the benign lesions |
2
| A mosaic pattern of purple mixed with a small amount of green | |
3
| A mosaic pattern of green mixed with a small amount of yellow | |
4
| Almost the entire lesion in yellow, but mixed with a small amount of red | Prevalently rigid: prevalently the malignant lesions |
5
| Both the lesion and surrounding area are red mixed with a small amount of yellow |
Statistical analysis
Results
ABVS
ABVS | Examiner2 | ||||||
---|---|---|---|---|---|---|---|
BI-RADS1 | BI-RADS2 | BI-RADS3 | BI-RADS4 | BI-RADS5 | Total | ||
BI-RADS1 | 0 | 0 | 0 | 0 | 0 | 0 | |
BI-RADS2 | 0 | 5 | 2 | 0 | 0 | 7 | |
BI-RADS3 | 0 | 2 | 4 | 2 | 0 | 8 | |
Examiner1
| BI-RADS4 | 0 | 0 | 1 | 18 | 0 | 19 |
BI-RADS5 | 0 | 0 | 0 | 5 | 7 | 12 | |
Total | 0 | 7 | 7 | 25 | 7 | 46 |
Examination | Lesions |
---|---|
ABVS | |
BI-RADS1 | 0 |
BI-RADS2 | 5 |
BI-RADS3 | 9 |
BI-RADS4 | 20 |
BI-RADS5 | 12 |
UE | |
Score1 | 0 |
Score2 | 8 |
Score3 | 7 |
Score4 | 25 |
Score5 | 6 |
Pathology | |
Benign | 18 |
Mammary dysplasia | 6 |
Fibroadenoma | 8 |
Intraductal papilloma | 4 |
Malignant | 28 |
Invasive ductal carcinoma | 27 |
Invasive cribriform carcinoma | 1 |
Results | Pathology | |||
---|---|---|---|---|
Malignant | Benign | Total | ||
ABVS (
κ = 0.81, 95%CI: 0.64-0.98)
| Malignant | 28 | 4 | 32 |
Benign | 0 | 14 | 14 | |
total | 28 | 18 | 46 | |
UE (
κ = 0.77, 95%CI: 0.58-0.96)
| Malignant | 27 | 4 | 31 |
Benign | 1 | 14 | 15 | |
total | 28 | 18 | 46 | |
ABVS + UE (
κ = 0.90,95% CI: 0.77-1.00)
| Malignant | 30 | 2 | 32 |
Benign | 0 | 14 | 14 | |
Total | 30 | 16 | 46 |
UE
UE | Examiner2 | ||||||
---|---|---|---|---|---|---|---|
Score1 | Score2 | Score3 | Score4 | Score5 | Total | ||
Score1 | 0 | 0 | 0 | 0 | 0 | 0 | |
Score2 | 0 | 8 | 1 | 0 | 0 | 9 | |
Score3 | 0 | 0 | 6 | 1 | 0 | 7 | |
Examiner1
| Score4 | 0 | 0 | 4 | 17 | 5 | 26 |
Score5 | 0 | 0 | 0 | 0 | 4 | 4 | |
Total | 0 | 8 | 11 | 18 | 9 | 46 |
ABVS combined with UE
Pathology
Diagnosis performance
Examina-tion | Accuracy | Sensitivity | Specificity | PPN | NPN |
---|---|---|---|---|---|
95% CI | 95% CI | 95% CI | 95% CI | 95% CI | |
(P = 0.97) | (P = 0.99) | (P = 0.97) | (P = 0.98) | (P = 0.99) | |
ABVS
| 91.3% | 100% | 77.8% | 87.5% | 100% |
78.3-97.2 | 85.0-100 | 51.9-92.6 | 70.1-95.9 | 73.2-1.00 | |
UE
| 89.1% | 96.4% | 77.8% | 87.1% | 93.3% |
75.6-95.9 | 79.8-99.8 | 51.9-92.6 | 69.2-95.8 | 66.0-99.7 | |
ABVS + UE
| 95.7% | 100% | 87.50% | 93.8% | 100% |
84.0-99.2 | 85.9-100 | 60.4-97.8 | 77.8-98.9 | 73.2-1.00 |