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Table 4 Comparison, pathological results between methylene blue staining of SLNB + suspicious lymph node biopsy, pathological results

From: Improved false negative rate of axillary status using sentinel lymph node biopsy and ultrasound-suspicious lymph node sampling in patients with early breast cancer

SLNB + USALNB ALNB Total
  + -  
+ 69 0 69
- 2 143 145
Total 71 143 214
  1. Sensitivity = 69/71 = 97.2%.
  2. Specificity = 143/143 = 100%.
  3. False negative rate = 2/71 = 2.8%.
  4. False positive rate = 0/143 = 0%.
  5. SLNB: sentinel lymph node biopsy.