The Sloane Project is an anonymized UK‐wide audit of screen‐detected atypical
hyperplasia and in situ carcinoma of the breast. Full histopathology data have been …

The aim of the scheme was to determine consistency of histopathological reporting in the
United Kingdom National Breast Screening Programme. This external quality assessment …

Purpose Patient management of invasive breast cancer (IBC) is to a large extent based on
hormone-and HER2-receptor assessment. High-quality, reliable receptor assessment is of …

In a previous study, we demonstrated wide variability in the access to oestrogen receptor
(ER) measurement, patient selection, choice of technique and the cut-off point for positivity …

The assessment of hormone receptor status in breast cancer is essential to decide whether
endocrine therapy is indicated or not. Immunohistochemistry (IHC) is thought to be the best …

PURPOSE To update key recommendations of the American Society of Clinical
Oncology/College of American Pathologists estrogen (ER) and progesterone receptor (PgR) …

Purpose.—To update key recommendations of the American Society of Clinical
Oncology/College of American Pathologists estrogen receptor (ER) and progesterone …

INTRODUCTION—The importance of steroid hormone receptors to the biology of breast
cancer was recognized over 40 years ago, when it was observed that radiolabeled …

Estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor
(HER 2) concordance between immunohistochemistry (IHC) and fluorescence in situ …

Estrogen receptor (ER) status assessment by immunohistochemistry (IHC) is the gold
standard test for the identification of patients with breast cancer who may benefit from …