Table 1 Categories of pathological interpretation of large-gauge core or vacuum-assisted breast biopsy as specified in the European guidelines for quality assurance in breast cancer screening and diagnosis [3]
Category | Description | Examples |
|---|---|---|
B1 | Normal | Normal tissue or uninterpretable |
B2 | Benign lesion | Fibrocystic change, |
fibroadenoma, | ||
sclerosing adenosis, | ||
duct ectasia, | ||
fat necrosis | ||
B3 | Lesion of uncertain potential | Papillary lesion, |
radial scar/complex sclerosing lesion, | ||
lobular intraepithelial neoplasia, | ||
atypical ductal hyperplasia, | ||
phyllodes tumour, | ||
mucocele-like lesions. | ||
B4 | Suspicious of malignancy | Atypical ductal hyperplasia |
B5 | Malignant | May be subdivided into malignant-in-situ or malignant invasive |