Abstract
The secretion of oestrogens in premenopausal women is dependent on pituitary gonadotropin support. In oestrogen-dependent mammary carcinoma, ovariectomy is a suitable antihormonal treatment to prevent exposure of non-metastatic or metastatic tumor tissue to oestrogen stimulation and deprive the tissue of an important growth factor. In general, the benefit of castration is restricted to premenopausal women with recurrent or metastatic disease. In postmenopausal women, ovariectomy is only beneficial when a hormone-dependent lesion still depends in part on gonadotropin support. It is generally accepted, that oestrogen-receptor positive tumours will respond to ovariectomy or pharmacological suppression of ovarian activity, whereas the absence of oestrogen receptors in advanced breast carcinoma precludes antihormonal adjuvant treatment. However, the intrinsic difficulties of evaluating receptor status in tissue samples obtained at tumour resection or biopsy may warrant a therapeutic trial even when the presence of oestrogen receptors has not been confirmed.
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Sandow, J., Fraser, H.M., Engelbart, K., Seidel, H., Donaubauer, H., von Rechenberg, W. (1988). Preclinical Studies on Suppression of Follicular Maturation and Oestrogen Secretion in Rats and Monkeys. In: Höffken, K. (eds) LH-RH Agonists in Oncology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-73530-1_2
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DOI: https://doi.org/10.1007/978-3-642-73530-1_2
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