#testicular regression

• Anorchia — A rare congenital malformation characterized by the complete structural absence of both testes in an individual with a male karyotype (46,XY). This embryonic developmental anomaly, also known as congenital testicular regression, occurs due to the early degradation or involution of the gonads during intrauterine life, requiring close endocrine monitoring and long-term hormone replacement therapy starting at puberty.