Axillary Staging by Percutaneous Biopsy: Sensitivity of Fine-Needle Aspiration Versus Core Needle Biopsy
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We sought to determine whether percutaneous core needle biopsy (CNB) of suspicious axillary lymph nodes in patients with breast cancer offers improved diagnostic accuracy compared with fine-needle aspiration (FNA).
Records of 400 patients were reviewed to identify patients undergoing ultrasound-guided biopsy followed by surgical axillary evaluation (sentinel lymph node biopsy or axillary lymph node dissection). Patients underwent diagnosis and treatment at a single high-volume county hospital. Data collected included demographics, treatment, biopsy, and surgical pathology. Percutaneous biopsy results were compared with results of sentinel lymph node biopsy or axillary lymph node dissection.
Forty-seven patients met final study criteria. Twenty-two patients underwent FNA, and 25 underwent CNB. Sensitivity of FNA was 75% vs. 82% for CNB. Specificity for both was 100%. Additionally, a cost comparison of CNB versus FNA revealed CNB to be $404; FNA cost was $237.
The current data do not support the routine use of CNB over FNA for preoperative axillary staging in breast cancer patients with clinically negative axillas. Additionally, the substantial increase in cost without a marked improvement in sensitivity may favor the performance of FNA.
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- Axillary Staging by Percutaneous Biopsy: Sensitivity of Fine-Needle Aspiration Versus Core Needle Biopsy
Annals of Surgical Oncology
Volume 16, Issue 5 , pp 1170-1175
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- 1. Department of Surgery, Division of Surgical Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- 2. Parkland Memorial Hospital, Women’s Health Services, University of Texas Southwestern Medical Center, Dallas, TX, USA
- 3. Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX, USA