Breast cancer
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who were within the image database managed by Japan Association of Breast and Thyroid Sonology, and received a breast ultrasound examination from November 2011 to December 2015. And satisfied the following rules. 1.Mass lesions had already been assessed. 2.Associating with definitive diagnosis or category diagnosed by B-mode
Exclusion criteria
Exclusion criteria: 1.Typical cysts 2. Mass lesions >= 4.5cm diameter
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy, sensitivity, specificity and area under the curve of the algorithm which classifying lesion as benign or malignant. | — |
Secondary
| Measure | Time frame |
|---|---|
| Accuracy and sensitivity of the algorithm which classifying lesion as 3 categories by. | — |
Countries
Japan
Contacts
Tohoku University Graduate School of Medicine Biostatistics