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Abstract
This article analyzes the role of imaging in planning high-dose-rate brachytherapy in patients with gynecological cancer and the advances in this treatment for the benefit of patients. In Panama, gynecological cancer is one of the most common cancers nationwide. Therefore, it is considered necessary to understand the most favorable protocols for brachytherapy treatment. A theoretical review was carried out on the use of imaging in high-dose-rate brachytherapy as a treatment for gynecological cancer and in this way to know which imaging technique was considered the most viable, for this, documentary collection was used as a technique and a bibliographic matrix was implemented as a data collection instrument where information from five studies published between 2020 and 2025 was collected. It was observed that imaging is a fundamental part in the treatment planning of high-dose-rate brachytherapy in gynecological cancer, part of this includes the prior evaluation of the patient that allows knowing the extent of the disease, determining the amount of dose and its distribution, the delimitation of the target volumes such as the macroscopic tumor volume or the clinical treatment volume, and the organs at risk. Computed tomography (CT) and magnetic resonance imaging (MRI) are suitable methods for determining organs at risk and delineating target volumes. However, the authors emphasize their preference over MRI due to their greater soft tissue resolution and anatomical accuracy. Over time, new techniques have been introduced to enhance treatment, such as the development of 3D Image-Guided Brachytherapy (3DIGBT), single-dose multifractionated brachytherapy, and systems such as the Interactive Optimization Interface (IOI).
Keywords
References
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