Abstract
Knowledge of normal gonadal hormone production and function provides the basis for understanding the ovarian pathologic effects resulting from perturbations in endocrine balance and feedback. A precisely timed, complex, and well-coordinated cascade of ovarian steroidogenesis accompanies normal cyclical follicular function. This cascade involves both estrogens and androgens. Alterations in the hormonal milieu are associated with specific morphological changes in the ovary. While predictable hormonal changes accompany commencement of menopause, several disease states are associated with ovarian dysfunction. These diseases include polycystic ovarian syndrome and hyperthecosis, both associated with androgenization. Ovarian tumors may also be associated with morphological and clinical alterations. While endocrinologically inert ovarian tumors are associated with morphologic evidence of stromal activation, endocrinologically active ovarian tumors may cause differentiation along either male or female lines as a consequence of differential productions of androgens and estrogens.
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