Endocrine Abstracts

Background: A number of studies have evaluated the association between prolactin (PRL) and breast cancer risk, but some results have been inconsistent.The aim of this study was to investigate, if the circadian rhythm of PRL was maintained in pre- and post-menopausal patients with breast cancer and if there is a correlation between serum PRL level, serum concentration of insulin-like growth factor 1 (IGF1), tumor staging and expression of estrogen, proges...