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British Journal of Medicine and Medical Research, ISSN: 2231-0614,Vol.: 6, Issue.: 7

Review Article

Applications of Low Energy Megavoltage X-ray Beams in Cancer Radiotherapy

 

Ying Zhang1,2, Yuanming Feng1 and Jun Deng2*

1Department of Biomedical Engineering, Tianjin University, Tianjin, China.
2Department of Therapeutic Radiology, Yale University, New Haven, CT, USA.

Article Information
Editor(s):
(1) Salomone Di Saverio, Emergency Surgery Unit, Department of General and Transplant Surgery, S. Orsola Malpighi University Hospital, Italy.
Reviewers:
(1) Venkata Veerendranadh Chebrolu, Medical Image Analysis Lab, GE Global Research, India.
(2) Anonymous, USA.
(3) F. Vernimmen, Depart of Radiation Oncology, Cork University Hospital, Ireland.
(4) Anonymous, Pakistan.
Complete Peer review History: http://www.sciencedomain.org/review-history/7631

Abstracts

A review on the applications of low energy megavoltage (MV) X-ray beams (1-4 MV) in cancer radiotherapy is presented. Firstly, the physical characteristics of low energy megavoltage X-ray beams are reviewed in terms of penumbra, dose fall-off, exit dose, dose to bone, penetration power, skin dose and image quality. Secondly, the therapeutic applications of low energy megavoltage X-rays in cancer radiotherapy are further stratified and discussed based on X-ray energy levels. Thirdly, a systematic review of imaging applications of low energy megavoltage X-ray beams in image-guided radiation therapy (IGRT) and megavoltage fan beam computed tomography (MVFBCT) is provided. Finally, we summarize the latest development of low energy megavoltage X-ray beams in cancer radiotherapy and cancer imaging during the past twenty years. With their intrinsic physical characteristics, it is feasible to achieve personalized radiotherapy and personalized imaging protocols for individual patient. However, further technological developments and more clinical data would be needed to fully exploit the potentials of low energy megavoltage X-ray beams in the personalized radiotherapeutic management of cancers.

Keywords :

Low energy megavoltage X-rays; cancer radiotherapy; cancer imaging; personalized radiotherapy; personalized imaging protocols.

Full Article - PDF    Page 661-674

DOI : 10.9734/BJMMR/2015/15040

Review History    Comments

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