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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Influence of contraceptives and hormonal substitution therapy on the receptors of sex steroid hormones
 Krasulová, Hana ; Hochmann, Jiří (advisor) ; Tošner, Jindřich (referee)
The thesis deals with questions about levels of estrogen and progesteron receptors (ER and PR) in normal breast tissue and in tumorous tissue and explains their changes. The aim of our effort was to find the publications which deal with possibilities of false positivity or negativity in a breast cancer and clarify the time period after which we can expect relevant results of the receptor levels after contraception therapy or hormonal substitution therapy and which concentration of hormones we can expect in serum. First we listed contraception therapy and hormonal therapy. We focused on physiological concentrations of estradiol and progesterone in serum and their potential affection by contraception and hormonal substitution therapy. We found that most of contraceptives contain now such dose of ethinylestradiol to reach such concentration in the serum which are nearly physiological. In postmenopauzal women the estradiol levels decreases in comparison with premenopausal women. The doses of ethinylestradiol during substitution therapy are essentially higher than during contraception therapy. Subsequently we searched for the releationship between levels of ER and PR and their potential affection by contraception or hormonal substituonal therapy. As the Czech literature does not include this questions -...
Detailed record
Influence of contraceptives and hormonal substitution therapy on the receptors of sex steroid hormones
 Krasulová, Hana ; Tošner, Jindřich (referee) ; Hochmann, Jiří (advisor)
The thesis deals with questions about levels of estrogen and progesteron receptors (ER and PR) in normal breast tissue and in tumorous tissue and explains their changes. The aim of our effort was to find the publications which deal with possibilities of false positivity or negativity in a breast cancer and clarify the time period after which we can expect relevant results of the receptor levels after contraception therapy or hormonal substitution therapy and which concentration of hormones we can expect in serum. First we listed contraception therapy and hormonal therapy. We focused on physiological concentrations of estradiol and progesterone in serum and their potential affection by contraception and hormonal substitution therapy. We found that most of contraceptives contain now such dose of ethinylestradiol to reach such concentration in the serum which are nearly physiological. In postmenopauzal women the estradiol levels decreases in comparison with premenopausal women. The doses of ethinylestradiol during substitution therapy are essentially higher than during contraception therapy. Subsequently we searched for the releationship between levels of ER and PR and their potential affection by contraception or hormonal substituonal therapy. As the Czech literature does not include this questions -...
Detailed record

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