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
| Â | 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 (%) | Â | Â | Â |
   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 (%) | Â | Â | Â |
   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 (%) | Â | Â | Â |
   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 |