, 46 women were prospectively enrolled in the study. Ultrasound guided-FNABs for axillary assessment were performed preoperatively. Cytology results were compared with histopathology reports to determine its sensitivity, specificity, negative and positive predictive value and accuracy.Results: Nineteen cases that had malignant cytology on FNAB also had axillary involvement in axillary lymph node dissection (ALND) without any false-positive results. The sensitivity and specificity of US-guided FNAB were 63.3% and 100%, respectively. US-guided FNAB was accurate in predicting the status of the axilla in 76.1% of patients.
Conclusion:Although this technique is favorable due to its minimally invasive nature, it is not as effective as sentinel lymph node biopsy (SLNB) in terms of detecting axillary metastasis preoperatively. The low sensitivity and low accuracy rates decrease the usefulness of the technique. Therefore, it seems that US-guided FNAB alone could not replace SLNB. Nevertheless, combining some other molecular studies may be useful in increasing the technique's sensitivity. These issues should be determined by comprehensive clinical trials.Keywords: Breast cancer, axillary ultrasound, axillary staging, axillary lymph node sampling, axillary fine-needle aspiration biopsy Ulus Cerrahi Derg 2016; 32: 191-196 DOI: 10.5152/UCD.2015.2913 Original Investigation and/or ultrasound or had palpable breast lump confirmed by tru-cut biopsy as invasive breast cancer constituted the study group.
ABSTRACT
Patient Selection CriteriaThis study included clinically node-negative early breast cancer patients. Patients with a previous history of axillary-breast surgery and/or axillary-breast radiotherapy and those diagnosed with excisional biopsy were excluded. Patients who received neo-adjuvant chemotherapy were also excluded.All patients' demographic properties, tumor characteristics (size, grade, estrogen, progesterone receptor status, HER-2 neu status), cytopathology results of FNAB and SLNB, and post-operative pathologic findings were prospectively recorded. The FNAB, SLNB, and ALND data were compared and evaluated along with patient and tumor characteristics.
Radiologic Technique and CriteriaPatients who were histopathologically diagnosed with breast cancer preoperatively were referred to the interventional radiology department for axillary lymph node FNAB. The FNABs were performed by one particular radiologist experienced in breast ultrasound before the surgical intervention, after evaluating the axillary lymph node status in gray-scale using 13.5 mHz linear probe and Hitachi Avius High Vision device.