Balancing Tumor Control and Protecting Healthy Tissue in Radiotherapy Dosage Optimization

Gudur, S, Mishra, Arora, Farhan, Priya Vijayan and Singh

Health Leadership and Quality of Life, 2025, vol. 4, 824

Abstract: Radiotherapy is an important part of treating cancer because it stops tumors from growing while hurting good cells around them as little as possible. The treatment goal is to give enough radiation to effectively target and kill cancer cells while saving normal tissue from harmful side effects. Optimizing the dose of radiation is a key part of achieving this careful balance. This paper talks about the ideas, problems, and progress made in figuring out the best radiation doses to kill tumors and protect good tissue at the same time. In the past, radiation treatment doses were set by regular guidelines that took into account things like the type, size, and position of the growth. But these methods don't always take into account how different patients' bodies are, how the tumor's environment changes, or how healthy cells change when they are exposed to radiation. To fix this, individual treatment planning, made possible by improvements in imaging methods such as functional MRI and PET scans, is becoming more and more important for finding the best dose. These tools give us a more complete picture of the tumor's location and biology in real time, which can help us apply radiation more precisely. New methods, like intensity-modulated radiotherapy (IMRT), proton treatment, and stereotactic body radiotherapy (SBRT), have made dose distribution more accurate. This means that bigger amounts can be sent to tumors while exposing healthy tissue nearby less. Biological models and dose-painting techniques are also becoming more popular. In these methods, the radiation dose is changed in different parts of the tumor based on how different they are, which makes the treatment even more effective. Even with these improvements, one of the biggest problems still is finding the best balance between the competing goals of controlling tumors and keeping healthy organs safe.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:dbk:health:v:4:y:2025:i::p:824:id:824

DOI: 10.56294/hl2025824

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