Abstract
Breast cancer is the leading cause of mortality for women in Brazil, however, this pathology also affects 1% of men. It is noteworthy that the hormone therapy used for gender transition is associated with a high incidence of cancers worldwide. The process of adapting a person's sexual characteristics to the desired sex is called transitioning. Thus, transgender is a broad term that refers to people who do not identify with or conform to typical expressions, roles, or behaviors associated with being male or female to which they were assigned at birth (American Psychological Association, 2018). The trans woman was assigned male at birth, but identifies as female, and hormone therapy is a resource used to phenotypically modify the characteristics of the respective genders. In addition, this treatment is made available by the Unified Health System (SUS), for people from 16 years of age, since on January 9, 2020, the Federal Council of Medicine revokes resolution CFM nº 1.955/2010 to CFM nº 2,265/2019, meeting the minimum age for initiation of crossed hormone treatment from 18 to 16 years. Therefore, there is an increase in the age window for treatment follow-up, consequently a greater population contingent exposed to the risk of breast cancer. In order to reveal the importance of neglected issues, this review study points out data relevant to the health and prevention of breast cancer in transgender women.
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