HIGH DOSE RATE BRACHYTHERAPY IN THE TREATMENT OF CERVICAL CANCER: RETROSPECTIVE STUDY ABOUT 380 PATIENTS, EXPERIENCE OF THE NATIONAL INSTITUTE OF ONCOLOGY, RABAT

Introduction: Brachytherapy is an essential component in the treatment of women with cervical cancer, significantly improving overall survival and local control rates.The objective of the study is to present the Moroccan experience of the Rabat National Institute of Oncology in high-dose-rate (HDR) brachytherapy for cervical cancer. Material and Methods: Retrospective study from January 2019 to December 2023carried out in the radiotherapy department at the National Oncology Institute Rabat describing the clinical, paraclinical, technical, dosimetric and evolutionary modalities of three-dimensional high-dose-rate brachytherapy in 380 patients with cervical cancer. These data were then entered and processed on Microsoft Excel 2019. Results:The patients had a mean age of 54 years, with squamous cell carcinoma as the predominant histological type (88%), followed by adenocarcinoma (12%).In our study, pelvic MRI was performed in 98% of patients, with tumor stages according to the FIGO 2018 classification being IB (6.6%), IIA (5,8%), IIB(34,2%), IIIC1(21.6%), IIIC2 (14.7%), and IVA bladder and rectal (17.4%) respectively.All patients were treated with external beam radiotherapy with a d