Ultrasound-Guided Core Needle Biopsy to Assess Sensitivity and Specificity of Axillary Lymph Node Metastasis in Breast Cancer

This study plans to find the most suitable lymph node cortex thickness and abnormal lymph node features to define suspicious lymph nodes. Then, ultrasound-guided core needle biopsy of axillary lymph nodes will be done, aiming to provide some guidance for the biopsy.

NCT Number	NCT07573657
Lead Sponsor	The First Hospital of Jilin University Collaborators: Siping Central People's Hospital, Baicheng Central Hospital, Jilin Central General Hospital
Conditions	Lymphatic Metastasis, Breast Neoplasms
Enrollment	200 participants
Start Date	2026-10-01
Primary Completion	2027-10-01 (estimated)
Study Completion	2028-10-01 (estimated)
Updated on ClinicalTrials.gov	2026-05-07