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Table 1 Pathology, number of specimens, and number of positions tested with high-frequency ultrasound

From: High-frequency ultrasound for intraoperative margin assessments in breast conservation surgery: a feasibility study

Tissue type Specimens No. of test positions
Lymph nodes (LN) 3 2
Benign or normal breast (BB) 4 5
Benign breast with calcifications (BC) 2 3
Atypical ductal hyperplasia (ADH) 2 5
Fibrocystic change (FC) 2 6
Fat necrosis (FN) 1 1
Fibroadenoma (FA) 2 2
Tubular adenoma (TA) 1 1
Papilloma (PA) 4 4
Total benign 21 29
Ductal carcinoma in situ (DCIS) 3 6
DCIS, solid and cribriform (DCIS-SC) 2 3
DCIS + IDC 3 9
Invasive ductal carcinoma (IDC) 2 3
Lobular carcinoma in situ (LCIS) 2 4
Invasive lobular carcinoma (ILC) 1 3
Total Malignant 13 28
  1. Acronyms in parentheses are used in subsequent figures.