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While there can be many potential causes of male patients that present with increased breast tissue, differential diagnoses are most concerning for gynecomastia, pseudogynecomastia, and breast cancer (which is rare in men). Other potential causes of male breast enlargement such as mastitis, [27] [56] lipoma, sebaceous cyst, dermoid cyst ...
The side effects of cyproterone acetate (CPA), a steroidal antiandrogen and progestin, including its frequent and rare side effects, have been studied and characterized.It is generally well-tolerated and has a mild side-effect profile, regardless of dosage, when it used as a progestin or antiandrogen in combination with an estrogen such as ethinylestradiol or estradiol valerate in women.
Cyproterone acetate (CPA), sold alone under the brand name Androcur or with ethinylestradiol under the brand names Diane or Diane-35 among others, is an antiandrogen and progestin medication used in the treatment of androgen-dependent conditions such as acne, excessive body hair growth, early puberty, and prostate cancer, as a component of feminizing hormone therapy for transgender individuals ...
Placental progesterone is the feedstock for the 5α-dihydrotestosterone (DHT) produced via the backdoor pathway found operating in multiple non-gonadal tissues of the fetus, [45] whereas deficiencies in this pathway lead to undervirilization of the male fetus, resulting in incomplete development of the male genitalia.
In addition, female rats receiving doses of estrogen and progesterone were more likely to exert effort at gaining sexual attention from a male rat. [17] The willingness of the female rats to access males was considered a direct measure of the females' levels of sexual motivation.
Progesterone (P4), sold under the brand name Prometrium among others, is a medication and naturally occurring steroid hormone. [20] It is a progestogen and is used in combination with estrogens mainly in hormone therapy for menopausal symptoms and low sex hormone levels in women.
[1] [47] At high doses, due to their antigonadotropic effects, progestogens can cause low sex hormone levels and associated side effects like diminished secondary sexual characteristics, sexual dysfunction (e.g., reduced sex drive and erectile dysfunction), reversible infertility, reduced bone mineral density, and an increased risk of bone ...
[45] [46] Moreover, the lifetime incidence of breast cancer in men is approximately 0.1%, [47] the average age of diagnosis of prostate cancer and male breast cancer are similar (around 70 years), [10] [48] and millions of men have been treated with bicalutamide for prostate cancer, [49] all of which are potentially in support of the notion of ...