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

Starting soon

Conditions studied: Lymphatic Metastasis, Breast Neoplasms

In brief

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.

Key facts

Study ID

NCT07573657

Run by

The First Hospital of Jilin University

People needed

200

Starts

2026-10-01

Expected to finish

2028-10-01

Last updated by the study team

2026-05-07

Who can join

Age: 18 and older, up to 70. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥18 years and <70 years;
• Histologically confirmed primary breast cancer;
• Underwent ultrasound examination to assess axillary lymph node metastasis status.

You may not qualify if…

• Presence of other malignancies (e.g., lymphoma, lung cancer, thyroid cancer, etc., with axillary metastasis);
• Pregnant or lactating women;
• Previous receipt of neoadjuvant radiotherapy or chemotherapy;
• Lymph node metastasis status not confirmed by pathology, or time interval between ultrasound examination and pathological confirmation exceeding 6 weeks.

Full record on ClinicalTrials.gov

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