Breast cancer
Conditions
Interventions
None listed
Sponsors
The Japan Society of Ultrasonics in Medicine, Japan Association of Breast and Thyroid Sonology
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Lesions recognized as a mass on breast ultrasonography (including complex cystic and solid masses) 2. Digital video clips of color Doppler method are available 3. Pathologically confirmed masses 4. Even masses without pathological confirmation can be registered as benign masses if it is confirmed that there was no change for more than one year on the B-mode ultrasound
Exclusion criteria
Exclusion criteria: 1. Typical simple cyst 2. Lesions which received vacuum-assisted biopsy 3. Masses more than 5 cm in diameter
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Sensitivity, specificity and accuracy of the B-mode alone, and the combination of color Doppler and B-mode. 2. Examination of usefulness of each finding of the color Doppler ultrasound in benign/malignant diagnosis (univariate analysis and multivariate analysis). | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Sensitivity, specificity and accuracy of the B-mode alone, and the combination of color Doppler, B-mode and elastography. 2. Impact of age factor on the sensitivity and/or specificity of the new diagnosis system 3. Reproducibility of evaluators | — |
Countries
Japan
Contacts
Public ContactTakanori Watanabe
National Hospital Organization Sendai Medical Center Breast Surgery
Outcome results
None listed