Breast cancer
Conditions
Interventions
None listed
Sponsors
Japan Association of Breast and Thyroid Sonology
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patient with mass lesions assessed by breast ultrasound and pathology examination.
Exclusion criteria
Exclusion criteria: 1.Typical cysts. 2.Mass lesions diagnosed before this study and followed thereafter. 3.Mass lesions with vacuum-assisted biopsy at other institution. 4.Mass lesions >= 5cm diameter.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensitivity,specificity and area under the curve of the new diagnosis sysytem in comparison with converntional B-mode only system. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1.Factors affecting the sensitivity and/or specificity of the new diagnosis system. 2.Changes of doctor's confidence at diagnosis by adding color doppler. 3.Condition of color doppler. 4.Changes of sensitivity and specificity combined with elastography. | — |
Countries
Japan
Outcome results
None listed