Skip to main content

Table 3 Diagnostic performance of SNB for axillary staging in AUS-negative patients

From: Utility of 18F-fluoro-deoxyglucose emission tomography/computed tomography fusion imaging (18F-FDG PET/CT) in combination with ultrasonography for axillary staging in primary breast cancer

    No. of patients
    Permanent histopathology
Intraoperative frozen Histopathology Total Metastasis positive Metastasis negative
A. Total (n = 124)    
  Metastasis positive 24 24 0
  Metastasis negative 100 1 99
  Total 124 25 99
B. 18F-FDG uptake positive (n = 12)    
  Metastasis positive 5 5 0
  Metastasis negative 7 1 6
  Total 12 6 6
C. 18F-FDG uptake negative (n = 112)    
  Metastasis positive 19 19 0
  Metastasis negative 93 0 93
  Total 112 19 93
  1. Note; SNB, sentinel node biopsy; AUS, axillary ultrasound; No., Number; SNB identification rate 99.2% (124 of 125 cases)
  2. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPN), and accuracy overall were 96, 100, 100, 99, and 99%, respectively in A. Sensitivity, specificity, PPV, NPV, and overall accuracy were 83, 100, 100, 86, and 92%, respectively in B.
  3. Sensitivity, specificity, PPV, NPV, and overall accuracy were 100, 100, 100, 100, and 100%, respectively in C.