Characteristics and prognosis of young breast cancer patients treated in a public comprehensive cancer centre in Brazil: A retrospective cohort study.

Background: The incidence of breast cancer among women under 41 years old varies worldwide, with higher rates observed in developing countries. These young women often face later-stage diagnoses. In this study, we examine a cohort of young women who were treated for breast cancer in São Paulo, Brazil.

Endometriosis is an important cause of pelvic pain in adolescence.

Objective: despite endometriosis being a common disease, where early detection is key to preventing its progression, it is a condition often overlooked in adolescents. The aim of this study was to report the clinical characteristics of adolescent patients with endometriosis monitored in a tertiary hospital.

Methods: a retrospective study of 394 patients undergoing surgery with a histological diagnosis of endometriosis at the Endometriosis Division of the Gynecology Department at the Hospital das Clínicas of the University of São Paulo Medical School from 2008 to 2013.