Browsing by Author "Puga, Oscar"

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    Prevention and early detection of cervical cancer
    (2024) Puga, Oscar; Belmar, Francisco; Pertossi, Emiliano
    Cervical cancer is a global health challenge, with high incidence and mortality rates, particularly in countries with lower levels of human development. The progression of cervical cancer is well understood, from human papillomavirus infection to precancerous lesions and invasive cancer. This disease can be prevented through effective vaccination and early detection programs, which allow timely treatments, especially for pre-invasive conditions. In 2020, the World Health Organization launched a global initiative to eliminate cervical cancer, introducing the 90-70-90 strategy. This intervention seeks 90% vaccination coverage in girls under 15 years of age, at least two HPV screenings before the age of 45, and timely treatment for 90% of diagnosed patients. This paper aims to describe national and international updates in cervical cancer prevention, highlighting the progress of primary and secondary prevention with regards to decreasing its incidence.
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    The role of pre-treatment paraaortic surgical staging for cervical cancer in the EMBRACE criteria
    (2022) Puga, Oscar; Retamales, Javier; Saez, Nicolas; Urzua, Miguel; Saavedra, Miguel; Victoria Perez, Maria; Acuna, Dania; Garcia, Karen
    Background: The State-of-the-Art Treatment for Locally Advanced Cervical Cancer (LACC) is Definite Radio-Chemotherapy based on the Image-guided intensity modulated External beam radiochemotherapy and MRI-based adaptive BRAchytherapy (EMBRACE) trial, according to the FIGO staging. This staging is based on clinical examination and imaging studies; however, there are limitations of imaging techniques which may result in adverse events or death due to insufficient or overtreatment. The aim of the study was to evaluate the feasibility and outcomes of surgical staging in LACC prior to radiotherapy (RT) to personalise target volumes for radiotherapy.