Testosterone therapy considerations in oestrogen, progesterone and androgen receptor-positive breast cancer in a transgender man

Abstract

A 44-year-old premenopausal individual assigned female at birth but with a male gender identity, presented requesting masculinizing hormone therapy for long-standing gender dysphoria. His past medical history was unremarkable, and being adopted, his family history was unknown. Baseline blood tests and hormonal panel were within female reference ranges (Table).