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Table 4 Diagnostic accuracy of imaging techniques in staging axillary nodes

From: Feasibility of sentinel lymph node biopsy in breast cancer patients clinically suspected of axillary lymph node metastasis on preoperative imaging

  Sensitivity (%) Specificity (%) PPV (%) NPV (%) Accuracy (%)
US 59.88 82.09 58.14 83.12 75.57
MRI 61.73 78.24 54.35 82.97 73.36
PET-CT 62.41 82.96 65.67 80.87 75.91
SI* 82.14 45.91 38.76 86.05 56.57
  1. *SI are patients in whom a preoperative imaging technique, including breast ultrasound (US), contrast-enhanced magnetic resonance imaging (MRI), and positron emission tomography (PET)-CT scanning, revealed suspected axillary LN metastasis. PPV, positive predictive value; NPV, negative predictive value.