Ionizing Radiation in Therapy and Biology of Cancer: Role of Monte Carlo simulations, Biophysical Modeling, and Radiobiological Techniques
A special issue of Cancers (ISSN 2072-6694).
Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 34041
Special Issue Editors
Interests: Monte Carlo radiation transport; microdosimetry; track-structure; radiation physics, medical physics
Special Issues, Collections and Topics in MDPI journals
Interests: Monte Carlo; Geant4-DNA; Geant4; radiation biophysics
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Ionizing radiation is often referred to as a double-edged sword capable of both inducing as well as curing cancer. Currently, one out of two cancer patients are treated by high doses of ionizing radiation in the form of photons (X-rays, γ-rays) or charged particles (electrons, protons, alpha, and heavier ions) while exposure to low doses in diagnostic examinations is also of concern due to the associated cancer risk. Despite continuous advances in tumor biology at the cellular and molecular level, the practice of radiation therapy largely follows a macroscopic, top-down approach relying, mainly, on empirical clinical experience. This compromises the application and efficacy of new and emerging radiotherapy modalities with beams or sources of ionizing radiations of very different physical characteristics, such as, for example, high-energy hadrons or Auger electrons. Similarly, cancer risk assessment in radiation protection is mostly based on epidemiological data which cover a limited range of dose levels and types of ionizing radiations. The debate over the radiation quality problem, that is, the different radiobiological effectiveness of ionizing radiations at the same level of delivered dose, which extends over the whole spectrum of energies and particles used in therapy and diagnosis, perhaps best reflects our limited understanding of the action of ionizing radiation in biological matter, especially at the microscopic scale of cells and subcellular structures. It is envisioned that mechanistically-inspired bottom-up approaches to treatment planning and risk assessment, will play a key role in supporting further progress in the use of and protection by ionizing radiation. In this context, advancements in the dosimetry of ionizing radiation at the scale of single cells down to the DNA level, along with the development of biophysical dose-response models and radiobiological techniques will offer valuable input.
Dr. Dimitris Emfietzoglou
Dr. Sebastien Incerti
Guest Editors
Manuscript Submission Information
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Keywords
- Radiation Dosimetry
- Microdosimetry
- Nanodosimetry
- Monte Carlo simulation
- Radiobiological techniques
- Biophysical dose-response models
- Radiation Cancer Risk