breast cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ? Age = 18 years old; ? Complete full cycle chemotherapy; ? Before NAC, hollow needle biopsy was performed and confirmed as breast cancer; ? Surgery was performed after NAC, and the postoperative pathological information was complete; ? No history of breast cancer and radiotherapy of the same side chest wall; ? Has not received radiotherapy, chemotherapy, or endocrine therapy before NAC; ? The patient underwent grayscale ultrasound, CDFI, and elastography in both NAC0 and NAC1 stages, and the images were well preserved and of good quality There was no distant metastasis or primary tumor in other areas during the chemotherapy process.
Exclusion criteria
Exclusion criteria: ? Have a history of malignant tumors or chemotherapy; ? Incomplete or missing preoperative or postoperative pathological data; ? Incomplete or poor quality multimodal ultrasound images; ? With distant metastasis and bilateral breast cancer; ? Multiple primary tumors.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ultrasonic image features;AUC of ROC;Accuracy ;Sensitivity;Specificity; | — |
Secondary
| Measure | Time frame |
|---|---|
| Positive predicative value;Negative predictive value; | — |
Countries
China
Contacts
Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine