Breast cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Histologically confirmed unifocal, clinically T1-2 invasive breast cancer (2) preoperative ultrasound identifying at least one suspicious ipsilateral axillary lymph node, and clinically N1-2a; (3) Ultrasound-guided core needle biopsy performed on the most suspicious axillary lymph node; (4) Scheduled for upfront surgery with surgical pathology as reference; (5) With complete clinical, imaging, and pathological data
Exclusion criteria
Exclusion criteria: (1) Multi-focal breast cancer, clinically T stage >T2; (2) Clinically N stage >N2a; (3) False-negative or indeterminate preoperative axillary Ultrasound-guided core needle biopsy pathology; (4) Incomplete clinical or ultrasound imaging data
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Area under the receiver operating characteristics curve; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity;Positive predict value;Negative predictive value;Inter-reader agreement; | — |
Countries
China
Contacts
Sun Yat-sen University Cancer Center