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Table 1 General Characteristics for 34 Consecutive Breast Cancer Patients Treated with Breast Conserving Surgery

From: The effect of intraoperative specimen inking on lumpectomy re-excision rates

  Specimen Inking Regimen
Patient, Tumor, or Surgery Characteristic Intraoperative
(n = 26)
Standard
(n = 39)
p-value
Patient age, mean yrs (range) 64 (41-93) 61 (41-84) 0.59
Pre-operative histological diagnosis - N (%)    
   DCIS alone 3 (12%) 12 (31%)  
   Invasive ductal carcinoma 17 (65%) 18 (46%)  
   Invasive ductal carcinoma + DCIS 5 (19%) 5 (13%)  
   Invasive lobular carcinoma (+/- DCIS) 1 (%) 4 (10%) 0.18
Tumor grade - N (%)    
   Grade 1 3 (12%) 14 (36%)  
   Grade 2 11 (42%) 16 (41%)  
   Grade 3 12 (46%) 9 (23%) 0.04
ER positive - N (%) 20 (77%) 34 (87%) 0.28
Extensive intraductal component - N (%) 3 (12%) 4 (10%) 0.87
Type of surgery - N (%)    
   Lumpectomy with wire localization 17 (65%) 35 (90%)  
   Lumpectomy 9 (35%) 4 (10%) 0.03
Invasive tumor size at excision - mean cm (range) 1.58 (0.4-4.3) 1.16 (0.3-2.9) 0.24
Original lumpectomy volume - mean cm3 (range) 73.2 (3.5-206.7) 47.0 (6.3-139.1) 0.08
Patients in whom extra margins were excised at original surgery - N (%) 18 (69%) 28 (72%) 0.82
Number of extra margins excised per patient at original surgery - mean (range) 2.0 (0-6) 2.3 (0-6) 0.91