The Determinations of Estrogen and Progesterone Receptor in Breast Cancer Cell by Radioimmunoabbay Method

방사선면역법(放射線免疫法)에 의(依)한 유방암세포내(乳房癌細胞內)의 Estrogen과 Progesterone 수용체(受容體)의 측정(測定)

The estrogen and progesterone receptors which are bound to the cytoplasmic protein of cancer cells were measured in 20 patients with the early breast cancer by means of radioimmunoassay using charcoal. 1. The Patients with estrogen receptor positive were 13 (65%) of 20 cases and with progestrone receptor positive were 7 cases (35%) in the early breast cancer. 2. Coexistence of estrogen and progesterone receptor positive was noted in 7 cases (35%). The cases of estrogen receptor positive and progesterone receptor negative were 6 cases (33.3%), while there were no cases of estrogen receptor negative with progestrone receptor positive. 3. Coincidence of estrogen and progesterone negative was notied in 7 cases(35%). Conclusively, it is considered that the measurement of estrogen and progesterone receptors has relevance as predictive value, in the response to hormonal manipulations and chemotherapy for breast cancer patients.