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Cancers 2019, 11(3), 297; https://doi.org/10.3390/cancers11030297

Value of Three-Dimensional Imaging Systems for Image-Guided Carbon Ion Radiotherapy

1
Graduate School of Medicine, Gunma University, Showa 3-39-22, Maebashi, Gunma 371-8511, Japan
2
Gunma University Heavy Ion Medical Center, Gunma University, Showa 3-39-22, Maebashi, Gunma 371-8511, Japan
*
Author to whom correspondence should be addressed.
Received: 12 February 2019 / Revised: 21 February 2019 / Accepted: 26 February 2019 / Published: 2 March 2019
(This article belongs to the Special Issue New Developments in Radiotherapy)
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Abstract

Carbon ion radiotherapy (C-ion RT) allows excellent dose distribution because of the Bragg Peak. Compared with conventional radiotherapy, it delivers a higher dose with a smaller field. However, the dose distribution is sensitive to anatomical changes. Imaging technologies are necessary to reduce uncertainties during treatment, especially for hypofractionated and adaptive radiotherapy (ART). In-room computed tomography (CT) techniques, such as cone-beam CT (CBCT) and CT-on-rails are routinely used in photon centers and play a key role in improving treatment accuracy. For C-ion RT, there is an increasing demand for a three-dimensional (3D) image-guided system because of the limitations of the present two-dimensional (2D) imaging verification technology. This review discusses the current imaging system used in carbon ion centers and the potential benefits of a volumetric image-guided system. View Full-Text
Keywords: carbon ion radiotherapy; image-guided radiotherapy; in-room CT; anatomical changes; hypofractionated radiotherapy; adaptive radiotherapy carbon ion radiotherapy; image-guided radiotherapy; in-room CT; anatomical changes; hypofractionated radiotherapy; adaptive radiotherapy
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Li, Y.; Kubota, Y.; Tashiro, M.; Ohno, T. Value of Three-Dimensional Imaging Systems for Image-Guided Carbon Ion Radiotherapy. Cancers 2019, 11, 297.

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