Title : Association of PET-based estradiol-challenge test for breast cancer progesterone receptors with response to endocrine therapy.

Pub. Date : 2021 Feb 2

PMID : 33531464






2 Functional Relationships(s)
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1 We hypothesize that a brief estradiol challenge will increase tumor progesterone receptor (PgR) levels only in tumors with functional ER. Estradiol estrogen receptor 1 Homo sapiens
2 Our results demonstrate that change in tumor FFNP uptake after estradiol challenge is highly predictive of response to ET in women with ER+ breast cancer. Estradiol estrogen receptor 1 Homo sapiens