Skip to main content

Table 2 Comparisons of main pathological outcome measures and findings between palpation-guided and US-guided lumpectomy groups

From: Intraoperative ultrasound reduces the need for re-excision in breast-conserving surgery

Characteristic Palpation-guided lumpectomy US-guided lumpectomy p value
Tumor size, mean (SD) 24.9 (12.2) 22.8 (10.8) 0.24
Resection volume at first excision, cubic centimeter, (SD) 108.1 (63.4) 89.9 (53.9) 0.048
Intraoperative re-excision    
 Yes 30 (37 %) 24 (29 %)  
 No 50 (63 %) 60 (71 %) 0.25
Need for second operation to achieve adequate margins    
 Yes 14 (17 %) 5 (6 %)  
 No 66 (83 %) 79 (94 %) 0.03
Tumor identified at intraoperative re-excision specimen    
 Yes 5 (17 %) 7 (29 %)  
 No 25 (83 %) 17 (71 %) 0.33
Tumor identified at second operation specimen    
 Yes 7 (50 %) 3 (60 %)  
 No 7 (50 %) 2 (40 %) 0.9